Issued Patents 1997
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681449 | Process for producing oil from organic material-containing sludge | Shinya Yokoyama, Michio Kuriyagawa, Tomoko Ogi, Tomoaki Minowa, Seiichi Inoue +1 more | 1997-10-28 |
| 5661826 | Transmission line switching apparatus | Kazuhito Saito, Masayuki Nishimura, Tohru Yamanishi, Toshiaki Katagiri, Masao Tachikura | 1997-08-26 |
| 5658668 | Electromagnetic steel sheet and a core made therefrom | Norio Kosuge, Yuka Komori | 1997-08-19 |
| 5652932 | Finder visual field switching mechanism | Mitsuo Manabe | 1997-07-29 |
| 5645909 | Optical recording medium and method for forming same | Osamu Ueno, Hironori Gotoh | 1997-07-08 |
| 5640678 | Macrocell-microcell communication system with minimal mobile channel hand-off | Hiroyasu Ishikawa, Yoshio Takeuchi | 1997-06-17 |
| 5635734 | Insulated gate type semiconductor device in which the reliability and characteristics thereof are not deteriorated due to pressing action and power inverter using the same | Yuji Takayanagi, Shuroku Sakurada, Hidekatsu Onose | 1997-06-03 |
| 5624749 | Electromagnetic steel sheet having an electrically insulating coating with superior weldability | Norio Kosuge, Yasuo Yokoyama, Yuka Komori, Taizo Mohri | 1997-04-29 |
| 5621226 | Metal-insulator semiconductor gate controlled thyristor | — | 1997-04-15 |
| 5613193 | Compensation of frequency offset | Hiroyasu Ishikawa | 1997-03-18 |
| 5613021 | Optical fiber switching device having one of a robot mechanism and an optical fiber length adjustment unit | Kazuhito Saito, Masayuki Nishimura, Tohru Yamanishi, Toshiaki Katagiri, Masao Tachikura | 1997-03-18 |
| D378297 | Cartridge for a photographic processor | Toshiyuki Ikariya, Hideo Ishii | 1997-03-04 |
| 5597224 | Stroboscopic device for holding a trigger lead | — | 1997-01-28 |