Issued Patents All Time
Showing 76–100 of 115 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6201677 | Insulated gate type semiconductor apparatus with a control circuit | Kozo Sakamoto | 2001-03-13 |
| 6179936 | Method for heat-treating a hollow cylindrical workpiece | Kimio Goto, Hiroyuki Takeno, Masahiro Nakajima | 2001-01-30 |
| 6178955 | Fuel improving method and apparatus | — | 2001-01-30 |
| 6057998 | Insulated gate type semiconductor apparatus with a control circuit | Kozo Sakamoto | 2000-05-02 |
| 5969131 | Cephem compound, its production and its use for producing cephem antibiotics | Mari Yuasa, Kazuyuki Yamagata, Hirokazu Murata, Masashi Komatsu | 1999-10-19 |
| D415502 | Cultivator | — | 1999-10-19 |
| 5962373 | Method for producing mixed metal oxide compounds | Masaaki Nemoto, Shuichi Yoshikawa, Ryokan Yuasa, Yorinobu Yoshisato | 1999-10-05 |
| D414498 | Internal combustion engine | — | 1999-09-28 |
| 5903034 | Semiconductor circuit device having an insulated gate type transistor | Kozo Sakamoto | 1999-05-11 |
| D398010 | Internal combustion engine | Masahiro Anzai | 1998-09-08 |
| 5719429 | High frequency/high output insulated gate semiconductor device with reduced and balanced gate resistance | Mineo Katsueda, Yasuo Maruyama | 1998-02-17 |
| 5708165 | Cephem compound, its production and its use for producing cephem antibiotics | Mari Yuasa, Kazuyuki Yamagata, Hirokazu Murata, Masashi Komatsu | 1998-01-13 |
| 5642252 | Insulated gate semiconductor device and driving circuit device and electronic system both using the same | Kozo Sakamoto, Shigeo Otaka, Tetsuo Iijima, Harutora Shono, Ken Uchid +2 more | 1997-06-24 |
| 5638246 | Semiconductor device having a protection circuit, and electronic system including the same | Kozo Sakamoto, Masatoshi Morikawa, Shigeo Ohtaka, Hideki Tsunoda | 1997-06-10 |
| 5379230 | Semiconductor integrated circuit having semiconductor output device driving external load and microprocessor unit | Masatoshi Morikawa, Terumi Sawase, Kouzou Sakamoto, Takeaki Okabe | 1995-01-03 |
| D353381 | Internal combustion engine | Kazuo Shimizu | 1994-12-13 |
| 5299091 | Packaged semiconductor device having heat dissipation/electrical connection bumps and method of manufacturing same | Akio Hoshi, Yukihiro Sato, Toyomasa Koda, Kouzou Sakamoto | 1994-03-29 |
| 5264053 | Production method for a vehicular endless track bushing | Masahiro Nakajima, Hisahiko Kusano, Yoshio Hamajima, Hiroyuki Takeno | 1993-11-23 |
| 5021890 | Method of and apparatus for facsimile communications | Hidetoshi Inoue, Kanji Arai | 1991-06-04 |
| D314775 | Snow plow | Tatsuya Okuhara, Takahiro Hoshino | 1991-02-19 |
| D307912 | Snowblower | Joji Maeda | 1990-05-15 |
| 4870698 | Output power control circuit for a mobile radio apparatus | Tsutomu Katsuyama, Toyoo Kanai, Yasunobu Taguchi | 1989-09-26 |
| 4831424 | Insulated gate semiconductor device with back-to-back diodes | Takeaki Okabe, Mitsuo Ito, Kazutoshi Ashikawa, Tetsuo Iijima | 1989-05-16 |
| 4814288 | Method of fabricating semiconductor devices which include vertical elements and control elements | Masatoshi Kimura, Takeaki Okabe, Kouzou Sakamoto, Kazuo Hoya, Kouichiro Satonaka +2 more | 1989-03-21 |
| 4742281 | Speed control apparatus for a DC motor | Hiromitsu Nakano, Mitsuru Yamane | 1988-05-03 |