Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5074761 | Rotary compressor | Katsumi Hirooka, Takahisa Hirano, Ryuhei Tanigaki | 1991-12-24 |
| 5034655 | Circular fluorescent lamp | Seiichi Murayama, Hiromitsu Matsuno, Yasusuke Seki, Atsuo Koyama, Churyo Kodama +1 more | 1991-07-23 |
| 5012984 | Process for production of coal-water mixture | Hiroshi Ishikawa, Kazuo Koyata, Takuo Motizuki, Masayuki Sakuta, Show Onodera +2 more | 1991-05-07 |
| 4933602 | Apparatus for generating light by utilizing microwave | Kenji Sekine, Seiichi Murayama | 1990-06-12 |
| 4928723 | Capacity control valve for a compressor | Tsutomu Itahana, Hideo Kanno, Futoru Furuta, Susumu Kobayashi, Ryosaku Akimoto +1 more | 1990-05-29 |
| 4886425 | Capacity control device of scroll-type fluid compressor | Tsutomu Itahana, Tamio Sugimoto | 1989-12-12 |
| 4879493 | Low-pressure discharge lamp | Hiromistu Mastuno, Seiichi Murayama, Yoshio Watanabe | 1989-11-07 |
| 4803401 | Compact fluorescent lamp | Hiromitsu Matsuno, Seiichi Murayama | 1989-02-07 |
| 4696084 | Method for forming scroll members used in a scroll type fluid machine | Takahisa Hirano, Shoji Fukami, Yasuharu Maruiwa, Takuyuki Itoh, Tamio Sugimoto +1 more | 1987-09-29 |
| 4697121 | Low-pressure mercury vapor discharge lamp | Yasuo Kato, Yoshio Watanabe, Seiichi Murayama, Shigeo Mikoshiba, Hiromitsu Matsuno | 1987-09-29 |
| 4666380 | Scroll type fluid machine with prevention of stress concentration | Takahisa Hirano, Shoji Fukami, Yasuharu Maruiwa, Takuyuki Itoh, Tamio Sugimoto +1 more | 1987-05-19 |
| 4642512 | Stain resistant fluorescent lamp | Hiromitsu Matsuno, Seiichi Murayama | 1987-02-10 |
| 4611148 | Low-pressure mercury vapor discharge lamp | Yasuo Kato, Yoshio Watanabe, Seiichi Murayama, Shigeo Mikoshiba, Hiromitsu Matsuno | 1986-09-09 |
| 4587453 | Low-pressure mercury vapor discharge lamp | Yoshio Watanabe, Hiromitsu Matsuno, Yasuo Kato, Seiichi Murayama, Shigeo Mikoshiba | 1986-05-06 |