Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5461483 | Optical card having registered region for directory modified information and file management method for optical card | — | 1995-10-24 |
| 5408531 | Information recording/reproducing apparatus for converting and processing data exceeding error correction ability at recording | — | 1995-04-18 |
| 5315572 | Information reproducing apparatus capable of eliminating jitters | Yuichiro Akatsuka | 1994-05-24 |
| 5280468 | Optical recording medium | Kaori Ichikawa | 1994-01-18 |
| 5237550 | Reloadable optical recording/reproducing apparatus | Akira Shirai | 1993-08-17 |
| 5156671 | Method for dephosphorization of chromium-containing molten pig iron with reduced oxidation loss of chromium | Masato Mukai, Katsunori Fukui | 1992-10-20 |
| 5154756 | Method and apparatus for preliminary treatment of molten hot metal | Yasutami Fukami | 1992-10-13 |
| 4882020 | Process for treating effluent gas | Akihiko Maezawa, Mitsuyoshi Kaneko, Shinji Aoki | 1989-11-21 |
| 4882108 | Method for producing polypropylene foam | Takao Kimura, Yoshinobu Nagaoka | 1989-11-21 |
| 4582097 | Control apparatus and method for automatic filling machine | Anthony J. Izzi, John J. McDonald, William B. Parker, Robert K. Famous | 1986-04-15 |
| 4428245 | Apparatus for sampling molten metal | Hajime Nakamura, Junichi Iwamura, Masaji Hasegawa | 1984-01-31 |
| 4399022 | Reference electrode for oxygen probe | Takaharu Moriya, Hajime Nakamura, Koji Omosako, Yoshio Tokuta | 1983-08-16 |
| 4373796 | Film end detector for use in automatic film winding camera | Tsuyoshi Matsuura, Hiroshi Fujiwara, Mamoru Aihara, Yutaka Takahashi | 1983-02-15 |
| 4363541 | Photographing apparatus | Mamoru Aihara, Yutaka Takahashi, Tsuyoshi Matsuura | 1982-12-14 |
| 4359273 | Photographing apparatus | Mamoru Aihara, Yutaka Takahashi, Tsuyoshi Matsuura | 1982-11-16 |
| 4339187 | Photographing apparatus | Tsuyoshi Matsuura, Mamoru Aihara, Yutaka Takahashi | 1982-07-13 |
| 4331864 | Apparatus for detecting an in-focused condition of optical systems | Shuichi Takayama, Kosaku Tsuboshima, Teruo Iwasawa, Masafumi Yamazaki | 1982-05-25 |
| 4329030 | Integrating time detector for photographic apparatus | Mamoru Aihara, Yutaka Takahashi, Tsuyoshi Matsuura | 1982-05-11 |
| 4326217 | Reversed image sensing apparatus | Teruo Iwasawa, Masafumi Yamazaki, Kosaku Tsuboshima, Shuichi Takayama | 1982-04-20 |
| 4314150 | Apparatus for detecting the in-focusing conditions | Shuichi Takayama, Kosaku Tsuboshima, Teruo Iwasawa, Masafumi Yamazaki | 1982-02-02 |
| 4302780 | Photometric system | Masafumi Yamazaki, Shuichi Takayama, Kosaku Tsuboshima, Teruo Iwasawa | 1981-11-24 |
| 4289959 | Apparatus for detecting the in-focusing conditions | Shuichi Takayama, Kosaku Tsuboshima, Teruo Iwasawa, Masafumi Yamazaki | 1981-09-15 |
| 4242703 | Projection apparatus for optical systems | Kosaku Tsuboshima, Shuichi Takayama, Teruo Iwasawa, Masafumi Yamazaki | 1980-12-30 |