Issued Patents All Time
Showing 201–225 of 248 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4716590 | AM stereo transmission method and apparatus | Hiroshi Iida | 1987-12-29 |
| 4711999 | Apparatus for photometrically detecting an optically focused condition of an optical system | Yoshio Shishido, Kazumasa Matsuo, Atsushi Miyazaki, Shinichi Nishigaki, Shinichi Kato +2 more | 1987-12-08 |
| 4710787 | Semiconductor device | Toshiyuki Usagawa, Yuichi Ono | 1987-12-01 |
| 4698652 | FET with Fermi level pinning between channel and heavily doped semiconductor gate | Yasunari Umemoto, Yuichi Ono | 1987-10-06 |
| 4693568 | Image transmission optical system for an endoscope | — | 1987-09-15 |
| 4687016 | Emergency release valve apparatus | — | 1987-08-18 |
| 4684224 | Field view direction changing optical system | Nobuo Yamashita | 1987-08-04 |
| 4683487 | Heterojunction bipolar transistor | Kiichi Ueyanagi, Toshiyuki Usagawa, Yasunari Umemoto, Toshihisa Tsukada | 1987-07-28 |
| 4676606 | Image transmission optical system for an endoscope | — | 1987-06-30 |
| 4676592 | Image transmitting optical system using optical fiber bundle | Kimihiko Nishioka | 1987-06-30 |
| 4674844 | Objective lens system for an endscope | Kimihiko Nishioka, Akira Yokota, Minoru Okabe | 1987-06-23 |
| 4673264 | Ophthalmic instrument having focus detecting mark projecting means | — | 1987-06-16 |
| 4671630 | Illuminating optical system for endoscopes | — | 1987-06-09 |
| 4655557 | Oblique viewing optical system for endoscopes | — | 1987-04-07 |
| 4643348 | Brazing method for aluminum parts | — | 1987-02-17 |
| 4633483 | Near-instantaneous companding PCM involving accumulation of less significant bits removed from original data | Hiroyuki Kanzaki | 1986-12-30 |
| 4626089 | Ophthalmic instrument having a focus detecting system | Kiwami Horiguchi | 1986-12-02 |
| 4621910 | Objective for an endoscope | — | 1986-11-11 |
| 4610390 | Brazing method of aluminum | — | 1986-09-09 |
| 4591249 | Exposure control system for ophthalmic photographing apparatus | Kiwami Horiguchi | 1986-05-27 |
| 4586899 | Gas atmosphere heating furnace | — | 1986-05-06 |
| 4586537 | Emergency disconnector for fluid loading and unloading lines | — | 1986-05-06 |
| 4580885 | Apparatus and method for determining exposure condition of ophthalmic photographing | — | 1986-04-08 |
| 4561169 | Method of manufacturing semiconductor device utilizing multilayer mask | Masaru Miyazaki, Takahiro Kohashi, Kiichi Ueyanagi | 1985-12-31 |
| 4559295 | Process for regenerating solution for developing or peeling alkali-type photosensitive film | Yoshiaki Tomisawa, Toshio Takeuchi, Keijiro Honda, Seiji Kinoda | 1985-12-17 |