KT

Keiichiro Tanabe

Sumitomo Electric Industries: 33 patents #399 of 21,551Top 2%
RK Rikagaku Kenkyusho: 1 patents #70 of 207Top 35%
SI Sumotomo Electric Industries: 1 patents #1 of 15Top 7%
Overall (All Time): #98,816 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
9553336 Power supply system for well Koma Numata, Koji Nitta, Shoichiro Sakai, Atsushi Fukunaga, Eiko Itani +1 more 2017-01-24
7501666 Method for forming p-type semiconductor region, and semiconductor element Susumu Yoshimoto 2009-03-10
6428399 Polishing apparatus for polishing a hard material-coated wafer Akihoko Ikegaya, Yuichiro Seki, Naoji Fujimori 2002-08-06
6193585 Method of polishing a hard material-coated wafer Akihoko Ikegaya, Yuichiro Seki, Naoji Fujimori 2001-02-27
6103401 Window for an optical use and a process for the production of the same Norio Okada, Shuji Asaka, Tsuneo Urisu, Yoshiyuki Yamamoto, Yoshiaki Kumazawa 2000-08-15
6051063 Diamond wafer and method of producing a diamond wafer Yuichiro Seki, Akihiko Ikegaya, Naoji Fujimori, Hideaki Nakahata, Shin-ichi Shikata 2000-04-18
5964942 Wafer and method of producing same Yuichiro Seki, Akihiko Ikegaya, Naoji Fujimori, Takashi Tsuno 1999-10-12
5878110 X-ray generation apparatus Yoshiyuki Yamamoto, Naoji Fujimori, Nobuhiro Ota 1999-03-02
5874130 Wafer and method of producing a wafer Yuichiro Seki, Naoji Fujimori 1999-02-23
5861135 Highly crystalline diamond Naoji Fujimori 1999-01-19
5855998 Hard material-coated wafer, method of making same, polishing apparatus and polishing method of hard material-coated wafer Akihoko Ikegaya, Yuichiro Seki, Naoji Fujimori 1999-01-05
5788766 Window and preparation thereof Yoshiyuki Yamamoto, Katsuko Harano, Takashi Tsuno, Nobuhiro Ota, Naoji Fujimori 1998-08-04
5785754 Substrate, semiconductor device, element-mounted device and preparation of substrate Yoshiyuki Yamamoto, Katsuko Harano, Nobuhiro Ota, Naoji Fujimori 1998-07-28
5776246 Diamond wafer and method of producing a diamond wafer Yuichiro Seki, Akihiko Ikegaya, Naoji Fujimori, Hideaki Nakahata, Shin-ichi Shikata 1998-07-07
5776552 Process for the vapor phase synthesis of diamond and highly crystalline diamond Naoji Fujimori 1998-07-07
5759667 Diamond wire drawing die and process for manufacturing same Toshiya Takahashi, Akihiko Ikegaya, Naoji Fujimori 1998-06-02
5736226 Wafer and method of producing a wafer Yuichiro Seki, Naoji Fujimori 1998-04-07
5717214 X-ray beam position monitor and its position measurement method Hideo Kitamura, Yoshiyuki Yamamoto, Hisaharu Sakae 1998-02-10
5657365 X-ray generation apparatus Yoshiyuki Yamamoto, Naoji Fujimori, Nobuhiro Ota 1997-08-12
5624719 Process for synthesizing diamond in a vapor phase Takahiro Imai, Naoji Fujimori 1997-04-29
5587013 Methods of synthesizing and polishing a flat diamond film and free-standing diamond film Akihiko Ikegaya, Naoji Fujimori 1996-12-24
5584045 Polycrystalline diamond tool and method for producing same Naoji Fujimori 1996-12-10
5571236 Diamond wire drawing die Toshiya Takahashi, Akihiko Ikegaya, Noaji Fujimori 1996-11-05
5567522 Diamond cutting tool and method of manufacturing the same Akihiko Ikegaya, Toshiya Takahashi, Naoji Fujimori 1996-10-22
5556464 Vibration plate of a speaker and method for producing same Naoji Fujimori 1996-09-17