Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8241960 | Semiconductor device manufacturing equipment and semiconductor device manufacturing method | — | 2012-08-14 |
| 8070304 | Camera lens unit | Kouichiro Matsuoka, Hirohiko Ina, Nami Nagamori, Masatoshi Yamashita | 2011-12-06 |
| PP8676 | "Pink dogwood ""Benifuji""" | Hisao Ishikawa, Toshihiro Hagiwara | 1994-04-05 |
| PP8675 | White dogwood Tsukuba-No-Mine | Hisao Ishikawa, Toshihiro Hagiwara | 1994-04-05 |
| 4867136 | Endoscope apparatus | Akira Suzuki, Susumu Takahashi, Takeaki Nakamura, Tatsuya Yamaguchi, Takashi Tsukaya +19 more | 1989-09-19 |
| 4824205 | Apparatus for improving image formed by imaging optical system | Susumu Takahashi, Hiroshi Matsui | 1989-04-25 |
| 4684224 | Field view direction changing optical system | Susumu Takahashi | 1987-08-04 |
| 4610513 | Illumination optical system for an endoscope | Kimihiko Nishioka | 1986-09-09 |
| 4596449 | Zoom lens apparatus | Hiroshi Iwata, Toshitsugu Kashihara, Youichi Iwai | 1986-06-24 |
| 4585313 | Lens drive device and optical lens assembly utilizing the same | Hiroshi Iwata, Toshitsugu Kashihara, Youichi Iwai | 1986-04-29 |
| 4580552 | Illuminating optical system for endoscopes | Kimihiko Nishioka | 1986-04-08 |
| 4467361 | Image pick-up apparatus | Kunio Ohno, Kimihiko Nishioka, Susumu Takahashi, Akihiro Namba, Takashi Mizusaki +2 more | 1984-08-21 |
| 4415240 | Illumination optical system for an endoscope | Kimihiko Nishioka | 1983-11-15 |
| 4398811 | Viewing-direction changing optical system | Kimihiko Nishioka | 1983-08-16 |
| 4350149 | Endoscope and illumination optical system therefor | Miwako Maeda | 1982-09-21 |
| 4340811 | Focusing method and apparatus for use in an optical system | Ken-ichi Nakahashi | 1982-07-20 |
| 4312572 | Focusing objective lens system for endoscopes | Miwako Maeda | 1982-01-26 |
| 4294511 | Connecting optical system for light guides | Miwako Maeda | 1981-10-13 |
| 4285578 | Photo eyepiece for endoscopes | Miwako Maeda | 1981-08-25 |
| 4269485 | Method for focusing an objective lens of endoscope | Miwako Maeda | 1981-05-26 |
| 4195904 | Optical system of viewing-direction changing attachment for endoscopes | — | 1980-04-01 |