Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5939026 | Apparatus for processing gas by electron beam | Hirofumi Seki, Hirofumi Shirakata, Yasuro Hori | 1999-08-17 |
| 5157235 | Laser marking system | Kiyoshi Okumura, Kazuhiko Nishimura, Minoru Fujimoto, Hiroo Ohkawa, Kazuo Mera | 1992-10-20 |
| 4740980 | Gas laser device | Toshiharu Shirakura, Hiroyuki Sugawara, Minoru Suzuki, Humio Shibata | 1988-04-26 |
| 4682003 | Laser beam glass cutting | Takao Minakawa, Junichi Nishihashi | 1987-07-21 |
| 4620663 | Parts-connecting apparatus using solder | Hitoshi Odashima, Hideaki Sasaki, Shinichi Kazui, Osamu Isshiki, Takeshi Kawana | 1986-11-04 |
| 4502320 | Method and apparatus for diagnosing oil-filled electric apparatus | Seiichi Sakai, Toshihiko Gange, Hideo Tsukioka, Katuo Sugawara, Ichitaro Tani +1 more | 1985-03-05 |
| 4444040 | Method and apparatus for detecting gas components in oil in oil-filled device | Seiichi Sakai, Toshihiko Gange, Katuo Sugawara, Hideo Tsukioka, Ictitaro Tani +1 more | 1984-04-24 |
| 4366478 | Signal transmitting and receiving apparatus | Ikuro Masuda, Hisayoshi Shiraishi, Seiichiro Ogawa, Jinichi Sakurai, Takeo Yuminaka | 1982-12-28 |
| 4354115 | Photocoupling device | Terunori Warabisako | 1982-10-12 |
| 4345471 | Temperature measurement apparatus | Fumihiro Endo, Toshio Ishikawa, Jun Ozawa, Yuzuru Kamata | 1982-08-24 |
| 4263491 | Method for checking electric contacts of an enclosed-type switching device and an auxiliary apparatus for use with the switching device to use the method | Masaki Murashita, Seizo Nakano, Hiroshi Itoh, Takeshi Takahashi | 1981-04-21 |