Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |