Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D488823 | Operation microscope | Takeshi Asaka, Shunichiro Takahashi | 2004-04-20 |
| 6318864 | Sterile instruments cover for use on surgical microscopes | Takashi Fukaya, Tohru Shinmura, Koji Yasunaga, Kazuo Banju, Masaaki Ueda +3 more | 2001-11-20 |
| 6308024 | Dust protector for image exposure device and image forming apparatus utilizing the same | Yutaka Nakayama, Yoshihiko Ichikawa, Masayoshi Nishida, Tohru Hisano, Naoyuki Egusa | 2001-10-23 |
| 6208231 | Stick-type ignition coil having improved structure against crack or dielectric discharge | Kazutoyo Oosuka, Keisuke Kawano, Hiroyuki Wakabayashi, Akimitsu Sugiura, Naruhiko Inayosi +7 more | 2001-03-27 |
| 5964622 | Molded article having electrical connection and method for molding same | Kiyoshi Nagata | 1999-10-12 |
| 5748366 | Surgical microscope | Koji Yasunaga, Hiroshi Fujiwara, Masami Hamada, Takashi Fukaya, Masahiko Kinukawa +2 more | 1998-05-05 |
| 5654116 | Hologram | Tetsuya Kato, Toshiki Saburi, Naoyuki Kawazoe, Yasuhiro Mizutani | 1997-08-05 |
| 5552929 | Stereomicroscope | Takashi Fukaya, Masami Hamada, Shinichi Nakamura, Toyoharu Hanzawa, Masahiko Kinukawa +2 more | 1996-09-03 |
| 5276340 | Semiconductor integrated circuit having a reduced side gate effect | Teruo Yokoyama, Masahisa Suzuki, Takeshi Igarashi | 1994-01-04 |
| 5227914 | Stereomicroscope including a single variable magnification optical system | Toyoharu Hanzawa, Shinichi Nakamura, Hiroshi Fujiwara, Masahiko Kinukawa, Kimihiko Nishioka +5 more | 1993-07-13 |
| 5122904 | Operating microscope with drape and suction means for removing air from the drape | Hiroshi Fujiwara, Masami Hamada, Shigeo Tokunaga, Masahiko Kinukawa, Takashi Fukaya +3 more | 1992-06-16 |
| 5118637 | Method of fabricating HEMT device with selective etching of gallium arsenide antimonide | — | 1992-06-02 |
| 5048941 | Surgical miscroscope with a modular stand | Masami Hamada, Hiroshi Fujiwara, Kosaku Tsuboshima, Masahiko Kinukawa, Toshiyuki Tsunoda +4 more | 1991-09-17 |
| 5023675 | Semiconductor device | — | 1991-06-11 |
| 4871245 | Surgical microscope | Takashi Fukaya, Toshiyuki Tsunoda, Hiroshi Fujiwara | 1989-10-03 |
| 4833508 | High electron mobility device with intrinsic AlAs/GaAs superlattice separator region | Shigehiko Sasa, Satoshi Hiyamizu | 1989-05-23 |
| 4734750 | High electron mobility heterojunction semiconductor devices | Shigeru Okamura | 1988-03-29 |