Works by Fujii, Ryoichi

Results: 23

Clinical outcomes of transoral videolaryngoscopic surgery for hypopharyngeal and supraglottic cancer.

Published in:

2017

By:

Yorihisa Imanishi;
Hiroyuki Ozawa;
Koji Sakamoto;
Ryoichi Fujii;
Seiji Shigetomi;
Noboru Habu;
Kuninori Otsuka;
Yoichiro Sato;
Yoshihiro Watanabe;
Mariko Sekimizu;
Fumihiro Ito;
Toshiki Tomita;
Ogawa, Kaoru;
Imanishi, Yorihisa;
Ozawa, Hiroyuki;
Sakamoto, Koji;
Fujii, Ryoichi;
Shigetomi, Seiji;
Habu, Noboru;
Otsuka, Kuninori

Publication type:

journal article

Estimation of the emission altitude of pulsating aurora using the five-wavelength photometer.

Published in:

Earth, Planets & Space, 2020, v. 72, n. 1, p. 1, doi. 10.1186/s40623-020-01229-8

By:

Kawamura, Yuki;
Hosokawa, Keisuke;
Nozawa, Satonori;
Ogawa, Yasunobu;
Kawabata, Tetsuya;
Oyama, Shin-Ichiro;
Miyoshi, Yoshizumi;
Kurita, Satoshi;
Fujii, Ryoichi

Publication type:

Article

Renal protective effects of pitavastatin on spontaneously hypercholesterolaemic Imai Rats.

Published in:

Nephrology Dialysis Transplantation, 2007, v. 22, n. 8, p. 2156, doi. 10.1093/ndt/gfm168

By:

Xiang-Ming Liang;
Haruhisa Otani;
Qin Zhou;
Yoshinori Tone;
Ryoichi Fujii;
Masatoshi Mune;
Susumu Yukawa;
Tadao Akizawa

Publication type:

Article

Variations of thermal electron energy distribution associated with field-aligned currents.

Published in:

Geophysical Research Letters, 1991, v. 18, n. 2, p. 349, doi. 10.1029/91GL00033

By:

Abe, Takumi;
Okuzawa, Takashi;
Oyama, Koh-Ichiro;
Fukunishi, Hiroshi;
Fujii, Ryoichi

Publication type:

Article

Transverse and parallel geomagnetic perturbations over the polar regions observed by MAGSAT.

Published in:

Geophysical Research Letters, 1982, v. 9, n. 4, p. 369, doi. 10.1029/GL009i004p00369

By:

Iijima, Takesi;
Fukushima, Naoshi;
Fujii, Ryoichi

Publication type:

Article

A new five-wavelength photometer operated in Tromsø (69.6°N, 19.2°E).

Published in:

Earth, Planets & Space, 2018, v. 70, n. 1, p. 1, doi. 10.1186/s40623-018-0962-x

By:

Nozawa, Satonori;
Kawabata, Tetsuya;
Hosokawa, Keisuke;
Ogawa, Yasunobu;
Tsuda, Takuo;
Mizuno, Akira;
Fujii, Ryoichi;
Hall, Chris

Publication type:

Article

Auroral molecular-emission effects on the atomic oxygen line at 777.4 nm.

Published in:

Earth, Planets & Space, 2018, v. 70, n. 1, p. 1, doi. 10.1186/s40623-018-0936-z

By:

Oyama, Shin-ichiro;
Tsuda, Takuo T.;
Hosokawa, Keisuke;
Ogawa, Yasunobu;
Miyoshi, Yoshizumi;
Kurita, Satoshi;
Kero, Antti E.;
Fujii, Ryoichi;
Tanaka, Yoshimasa;
Mizuno, Akira;
Kawabata, Tetsuya;
Gustavsson, Björn;
Leyser, Thomas

Publication type:

Article

Evaluation of a method to derive ionospheric conductivities using two auroral emissions (428 and 630 nm) measured with a photometer at Tromsø (69.6°N).

Published in:

Earth, Planets & Space, 2017, v. 69, n. 1, p. 1, doi. 10.1186/s40623-017-0677-4

By:

Adachi, Kazuhiro;
Nozawa, Satonori;
Ogawa, Yasunobu;
Brekke, Asgeir;
Hall, Chris;
Fujii, Ryoichi

Publication type:

Article

Clinical diagnosis and treatment outcomes for parapharyngeal space schwannomas: A single‐institution review of 21 cases.

Published in:

Head & Neck, 2018, v. 40, n. 3, p. 569, doi. 10.1002/hed.25021

By:

Sato, Yoichiro;
Imanishi, Yorihisa;
Tomita, Toshiki;
Ozawa, Hiroyuki;
Sakamoto, Koji;
Fujii, Ryoichi;
Shigetomi, Seiji;
Habu, Noboru;
Otsuka, Kuninori;
Watanabe, Yoshihiro;
Sekimizu, Mariko;
Ogawa, Kaoru

Publication type:

Article

Vascular calcification estimated by aortic calcification area index is a significant predictive parameter of cardiovascular mortality in hemodialysis patients.

Published in:

Clinical & Experimental Nephrology, 2011, v. 15, n. 6, p. 877, doi. 10.1007/s10157-011-0517-y

By:

Ohya, Masaki;
Otani, Haruhisa;
Kimura, Keigo;
Saika, Yasushi;
Fujii, Ryoichi;
Yukawa, Susumu;
Shigematsu, Takashi

Publication type:

Article

Mucoepidermoid Carcinoma of the Head and Neck: Clinical Analysis of 43 Patients.

Published in:

Japanese Journal of Clinical Oncology, 2008, v. 38, n. 6, p. 414, doi. 10.1093/jjco/hyn045

By:

Ozawa, Hiroyuki;
Tomita, Toshiki;
Sakamoto, Koji;
Tagawa, Takamasa;
Fujii, Ryoichi;
Kanzaki, Sho;
Ogawa, Kaoru;
Kameyama, Kaori;
Fujii, Masato

Publication type:

Article

Statistical height-dependent relative importance of the Lorentz force and Joule heating in generating atmospheric gravity waves in the auroral electrojets.

Published in:

Journal of Geophysical Research. Space Physics, 2005, v. 110, n. A12, p. n/a, doi. 10.1029/2005JA011315

By:

Yuan, Zhigang;
Fujii, Ryoichi;
Nozawa, Satonori;
Ogawa, Yasunobu

Publication type:

Article

Restoration of E-cadherin expression by selective Cox-2 inhibition and the clinical relevance of the epithelial-to-mesenchymal transition in head and neck squamous cell carcinoma.

Published in:

Journal of Experimental & Clinical Cancer Research (17569966), 2014, v. 33, n. 1, p. 1, doi. 10.1186/1756-9966-33-40

By:

Ryoichi Fujii;
Yorihisa Imanishi;
Katsushi Shibata;
Nobuya Sakai;
Koji Sakamoto;
Seiji Shigetomi;
Noboru Habu;
Kuninori Otsuka;
Yoichiro Sato;
Yoshihiro Watanabe;
Hiroyuki Ozawa;
Toshiki Tomita;
Kaori Kameyama;
Masato Fujii;
Kaoru Ogawa

Publication type:

Article

Overexpression of SIP1 and Downregulation of E-cadherin Predict Delayed Neck Metastasis in Stage I/II Oral Tongue Squamous Cell Carcinoma After Partial Glossectomy.

Published in:

Annals of Surgical Oncology: An Oncology Journal for Surgeons, 2012, v. 19, n. 2, p. 612, doi. 10.1245/s10434-011-2052-1

By:

Sakamoto, Koji;
Imanishi, Yorihisa;
Tomita, Toshiki;
Shimoda, Masayuki;
Kameyama, Kaori;
Shibata, Katsushi;
Sakai, Nobuya;
Ozawa, Hiroyuki;
Shigetomi, Seiji;
Fujii, Ryoichi;
Fujii, Masato;
Ogawa, Kaoru

Publication type:

Article

History of EISCAT – Part 6: the participation of Japan in the EISCAT Scientific Association.

Published in:

History of Geo & Space Sciences, 2023, v. 14, n. 1, p. 61, doi. 10.5194/hgss-14-61-2023

By:

Matuura, Nobuo;
Fujii, Ryoichi;
Nozawa, Satonori

Publication type:

Article

Layered conductance in the ionosphere estimated using data from a multi-wavelength photometer at the European Incoherent Scatter radar site.

Published in:

Antarctic Record / Nankyoku Shiryo, 2013, v. 57, n. 3, p. 339

By:

Oyama, Shin-ichiro;
Watanabe, Taiki;
Fujii, Ryoichi;
Nozawa, Satonori;
Tsuda, Takuo T.

Publication type:

Article

Expression of Oct3/4 and Nanog in the head and neck squamous carcinoma cells and its clinical implications for delayed neck metastasis in stage I/II oral tongue squamous cell carcinoma.

Published in:

2015

By:

Habu, Noboru;
Imanishi, Yorihisa;
Kameyama, Kaori;
Shimoda, Masayuki;
Tokumaru, Yutaka;
Sakamoto, Koji;
Fujii, Ryoichi;
Shigetomi, Seiji;
Otsuka, Kuninori;
Sato, Yoichiro;
Watanabe, Yoshihiro;
Ozawa, Hiroyuki;
Tomita, Toshiki;
Fujii, Masato;
Ogawa, Kaoru

Publication type:

journal article

Relative contribution of ionospheric conductivity and electric field to ionospheric current.

Published in:

Journal of Geophysical Research. Space Physics, 2002, v. 107, n. A10, p. SIA 20-1, doi. 10.1029/2001JA007545

By:

Sugino, Masahiko;
Fujii, Ryoichi;
Nozawa, Satonori;
Buchert, Stephan C.;
Opgenoorth, Hermann J.;
Brekke, Asgeir

Publication type:

Article

Statistical characteristics of electromagnetic energy transfer between the magnetosphere, the ionosphere, and the thermosphere.

Published in:

Journal of Geophysical Research. Space Physics, 1999, v. 104, n. A2, p. 2357, doi. 10.1029/98JA02750

By:

Fujii, Ryoichi;
Nozawa, Satonori;
Buchert, Stephan C.;
Brekke, Asgeir

Publication type:

Article

The motion of ions in the auroral ionosphere.

Published in:

Journal of Geophysical Research. Space Physics, 1998, v. 103, n. A9, p. 20685, doi. 10.1029/98JA01685

By:

Fujii, Ryoichi;
Nozawa, Satonori;
Buchert, Stephan C.;
Matuura, Nobuo;
Brekke, Asgeir

Publication type:

Article

Study on neutral wind contribution to the electrodynamics in the polar ionosphere using EISCAT CP-1 data.

Published in:

Journal of Geophysical Research. Space Physics, 1998, v. 103, n. A7, p. 14731, doi. 10.1029/97JA03687

By:

Fujii, Ryoichi;
Nozawa, Satonori;
Matuura, Nobuo;
Brekke, Asgeir

Publication type:

Article

Electric fields and electron precipitation during a sharp negative H perturbation in the early evening sector.

Published in:

Journal of Geophysical Research. Space Physics, 1987, v. 92, n. A7, p. 7733, doi. 10.1029/JA092iA07p07733

By:

Fujii, Ryoichi;
Ogawa, Toshio;
Kodama, Masahiro

Publication type:

Article

Control of the ionospheric conductivities on large-scale Birkeland current intensities under geomagnetic quiet conditions.

Published in:

Journal of Geophysical Research. Space Physics, 1987, v. 92, n. A5, p. 4505, doi. 10.1029/JA092iA05p04505

By:

Fujii, Ryoichi;
Iijima, Takesi

Publication type:

Article