Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608209 | Method and apparatus for measuring motion amount of a laboratory animal | — | 1997-03-04 |
| 5608238 | Semiconductor device having two insulated gates and capable of thyristor function and method for operating the same | — | 1997-03-04 |
| 5408301 | Electrophotographic apparatus having two fixing sections and control means for controlling temperature adjustments selectively to the fixing sections | Masato Tokishige, Kiyoshi Inamoto, Atsushi Kurimoto, Nobuyuki Ueda, Tokiyuki Okano +9 more | 1995-04-18 |
| 5360985 | Press-contact type semiconductor device | Michiaki Hiyoshi, Takashi Fujiwara, Hisashi Suzuki | 1994-11-01 |
| 5325165 | Electrophotographic printing machine providing both monochrome and color images | Toshiki Ohgita, Takashi Kubo, Yoshiaki Masuda, Hidetoshi Kaneko, Kazunori Iwasa +3 more | 1994-06-28 |
| 5248622 | Finely controlled semiconductor device and method of manufacturing the same | Takashi Fujiwara, Takeomi Yoshida | 1993-09-28 |
| 5198882 | Crimp-type power semiconductor device | Susumu Iesaka, Takashi Fujiwara, Michiaki Hiyoshi, Hisashi Suzuki | 1993-03-30 |
| 5164782 | Electrophotographic copying apparatus | Katsuhiro Nagayama, Yasutaka Maeda, Hideyuki Nishimura, Yoichi Shimazawa, Koichi Moriyama | 1992-11-17 |
| 5148254 | Finely controlled semiconductor device | Takashi Fujiwara, Takeomi Yoshida | 1992-09-15 |
| 5140406 | Crimp-type semiconductor device having non-alloy structure | Takashi Fujiwara, Michiaki Hiyoshi, Hisashi Suzuki | 1992-08-18 |
| 5106552 | Process of producing a filter element of composite fibers | Shigeru Goi, Kazuyoshi Nakazawa | 1992-04-21 |
| 5040028 | Image forming apparatus with a toner transfer device | Taisuke Kamimura, Yasuhiro Takai, Yoichi Shimazawa, Etsuji Nukushina | 1991-08-13 |
| 4996586 | Crimp-type semiconductor device having non-alloy structure | Takashi Fujiwara, Yoshio Yokota, Mitsuhiko Kitagawa, Masami Iwasaki, Kazuo Watanuki | 1991-02-26 |
| 4991833 | Automatic document feeder | Hisashi Minami, Yoichi Shimazawa, Shinitiro Hiraoka | 1991-02-12 |
| 4958215 | Press-contact flat type semiconductor device | Shinjiro Kojima, Masami Iwasaki, Yoshinari Uetake | 1990-09-18 |
| 4918514 | Press-contact type semiconductor device | Yasunori Usui, Shinjiro Kojima, Masaru Ando | 1990-04-17 |
| 4843433 | Automatic document feeder | Hisashi Minami, Yoichi Shimazawa, Shinitiro Hiraoka | 1989-06-27 |
| 4838537 | Automatic sheet winding and discharging device | Shinitiro Hiraoka | 1989-06-13 |
| 4724475 | Semiconductor device | — | 1988-02-09 |
| 4717947 | Semiconductor device turned on and off by light | Yoshiaki Tsunoda, Takashi Fujiwara, Yasunori Usui | 1988-01-05 |
| 4699368 | Automatic sheet winding and outputting apparatus | Shinitiro Hiraoka | 1987-10-13 |
| 4695871 | Light-triggered semiconductor device | Yoshiaki Tsunoda | 1987-09-22 |
| 4634113 | Sheet winding and discharging device | Shinitiro Hiraoka | 1987-01-06 |
| 4604638 | Five layer semiconductor device with separate insulated turn-on and turn-off gates | — | 1986-08-05 |
| 4587550 | Press-packed semiconductor device with lateral fixing member | — | 1986-05-06 |