Issued Patents All Time
Showing 151–172 of 172 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878933 | Apparatus for fusion splicing optical fibers | Takeshi Yamada, Yasukuni Osato, Okosu Watanabe, Osamu Kawata, Koushi Ishihara | 1989-11-07 |
| 4851897 | Image pickup system having a lens assembly and means for providing information relating to the spectral characteristic of the lens assembly | Mutsumi Inuma | 1989-07-25 |
| 4833525 | High speed color balance adjusting device capable of compensating for a flickering light source | Seiji Hashimoto, Akihiko Tojo, Tsutomu Takayama, Toshio Kaji | 1989-05-23 |
| 4748518 | Chrominance signal processing circuit for color video reproducing apparatus | — | 1988-05-31 |
| 4682232 | Capacitor coupled circuit | Tsutomu Takayama, Seiji Hashimoto, Toshio Kaji, Akihiko Tojo | 1987-07-21 |
| 4616942 | Ribbon cassette with re-inking mechanism | Hideo Nagasawa, Tsutomu Hamano | 1986-10-14 |
| 4601856 | Method of purifying oleic acid | Kenichi Hashimoto, Tadashi Satoh | 1986-07-22 |
| 4475185 | Record player with vibration cancellation mechanism | Kazuyuki Fujio, Katsumi Sasamoto, Yasuji Ikari | 1984-10-02 |
| 4472689 | Multi-purpose filter | Noriyuki Fukushima | 1984-09-18 |
| 4462844 | Process for manufacturing hot extruded alloy products | Tsunetoshi Takahashi, Tadayuki Okinaka | 1984-07-31 |
| 4453003 | Process for producing threo-3-amino-2-hydroxy-butanoyl-aminoacetic acids as well as novel intermediates therefor and process for producing them | Hamao Umezawa, Takaaki Aoyagi, Tadashi Shirai, Rinzo Nishizawa, Tetsushi Saino | 1984-06-05 |
| 4446881 | Method for pressure transport of methanol through a pipeline | Yasuo Kitamura, Toshio Kubota, Hiroshi Watanabe, Masaaki Tsujimoto | 1984-05-08 |
| 4425638 | Dual turntable record player with torque cancellation | Yasuhiro Fujimoto | 1984-01-10 |
| 4391986 | Process for producing threo-3-amino-2-hydroxybutanoyl-aminoacetic acids, as well as novel intermediates therefor and process for producing them | Hamao Umezawa, Takaaki Aoyagi, Tadashi Shirai, Rinzo Nishizawa, Tetsushi Saino | 1983-07-05 |
| 4385556 | Machine for cutting scrapped goods | — | 1983-05-31 |
| 4282163 | Method of producing hydrogenated fatty acids | Takeshi Matsuo, Naomichi Yamada | 1981-08-04 |
| 4281180 | Process for producing threo-3-amino-2-hydroxybutanoyl-aminoacetic acids, as well as novel intermediated therefor and process for producing them | Hamao Umezawa, Takaaki Aoyagi, Tadashi Shirai, Rinzo Nishizawa, Tetsushi Saino | 1981-07-28 |
| 4267583 | Memory test device with write and pseudo write signals | — | 1981-05-12 |
| 4233635 | High voltage limiting circuit for a television receiver | — | 1980-11-11 |
| 4231108 | Semiconductor integrated circuit device | Toshio Hayashi, Kuniyasu Kawarada, Kazuhiro Toyoda, Chikai Ono | 1980-10-28 |
| 4228525 | Semiconductor integrated circuit device | Kuniyasu Kawarada, Chikai Ono, Kazuhiro Toyoda | 1980-10-14 |
| 4205805 | Automatic tape windup means | Katsuyoshi Yokota, Masaru Tanabe | 1980-06-03 |