Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6373093 | Semiconductor memory device and method of manufacturing the same | Tetsuo Fujii, Akira Kuroyanagi | 2002-04-16 |
| 6365458 | Semiconductor memory device and method of manufacturing the same | Tetsuo Fujii, Akira Kuroyanagi | 2002-04-02 |
| 6287885 | Method for manufacturing semiconductor dynamic quantity sensor | Hiroshi Muto, Tsuyoshi Fukada, Masakazu Terada, Hiroshige Sugito, Masakazu Kanosue +8 more | 2001-09-11 |
| 6276207 | Semiconductor physical quantity sensor having movable portion and fixed portion confronted each other and method of manufacturing the same | Yukihiro Takeuchi, Inao Toyoda, Seiichiro Ishio, Toshimasa Yamamoto, Eishi Kawasaki +2 more | 2001-08-21 |
| 6255741 | Semiconductor device with a protective sheet to affix a semiconductor chip | Shinji Yoshihara, Sumitomo Inomata, Kinya Atsumi, Yasuki Shimoyama, Tetsuo Fujii | 2001-07-03 |
| 6250165 | Semiconductor physical quantity sensor | Inao Toyoda, Minoru Murata | 2001-06-26 |
| 6240782 | Semiconductor physical quantity sensor and production method thereof | Nobuyuki Kato, Toshimasa Yamamoto, Tsuyoshi Fukada | 2001-06-05 |
| 6199430 | Acceleration sensor with ring-shaped movable electrode | Kazuhiko Kano, Koji Hattori, Yoshinori Ohtsuka, Makiko Sugiura, Inao Toyoda +3 more | 2001-03-13 |
| 6194236 | Electrochemical etching method for silicon substrate having PN junction | Tsuyoshi Fukada, Yukihiko Tanizawa, Koki Mizuno, Yasutoshi Suzuki, Yoshitsugu Abe +4 more | 2001-02-27 |
| 6169316 | Semiconductor pressure sensor including sensor chip fixed to package by adhesive | Yasutoshi Suzuki | 2001-01-02 |
| 6151966 | Semiconductor dynamical quantity sensor device having electrodes in Rahmen structure | Yukihiro Takeuchi, Kazuhiko Kano, Seiji Fujino, Tsuyoshi Fukada, Hiroshige Sugito +4 more | 2000-11-28 |
| 6065341 | Semiconductor physical quantity sensor with stopper portion | Seiichiro Ishio, Kenichi Ao | 2000-05-23 |
| 6020618 | Semiconductor device in which thin silicon portions are formed by electrochemical stop etching method | — | 2000-02-01 |
| 5949118 | Etching method for silicon substrates and semiconductor sensor | Tsuyoshi Fukada, Koki Mizuno, Yasutoshi Suzuki, Yoshitsugu Abe, Hiroshi Tanaka +3 more | 1999-09-07 |
| 5932921 | Sensor chip having a diode portions and a thin-wall portion | Inao Toyoda, Nobukazu Oba | 1999-08-03 |
| 5920106 | Semiconductor device and method for producing the same | Nobukazu Oba, Toshio Ikuta, Tsuyoshi Fukada, Yasutoshi Suzuki | 1999-07-06 |
| 5677248 | Method of etching semiconductor wafers | Tsuyoshi Fukada, Nobukazu Ohba | 1997-10-14 |
| 5654244 | Process for producing semiconductor strain-sensitive sensor | Tsuyoshi Fukada, Hiroshige Sugito | 1997-08-05 |
| 5643803 | Production method of a semiconductor dynamic sensor | Tsuyoshi Fukada, Yoshimi Yoshino, Hiroshige Sugito | 1997-07-01 |
| 5549785 | Method of producing a semiconductor dynamic sensor | Tsuyoshi Fukada, Masakazu Terada, Shinsuke Watanabe, Minoru Nishida | 1996-08-27 |
| 5470771 | Method of manufacturing a floating gate memory device | Tetsuo Fujii, Akira Kuroyanagi | 1995-11-28 |
| 5063423 | Semiconductor memory device of a floating gate tunnel oxide type | Tetsuo Fujii, Akira Kuroyanagi | 1991-11-05 |
| 5017979 | EEPROM semiconductor memory device | Tetsuo Fujii, Akira Kuroyanagi | 1991-05-21 |
| 4975390 | Method of fabricating a semiconductor pressure sensor | Tetsuo Fujii, Susumu Kuroyanagi, Akira Kuroyanagi, Tomohiro Funahashi, Shinji Yoshihara | 1990-12-04 |