Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852958 | Optical matrix switch having optimized crosstalk characteristics and uniform optical output intensity | Hideaki Okuyama, Shigehiro Kusumoto, Keisuke Watanabe | 1989-08-01 |
| 4846542 | Optical switch matrix | Hideaki Okayama, Akio Matoba, Nobuo Kobayashi, Issei Asabayashi, Ryoko Shibuya | 1989-07-11 |
| 4734383 | Fabricating semiconductor devices to prevent alloy spiking | Shuji Ikeda, Kouichi Nagasawa, Makoto Motoyoshi, Satoshi Meguro | 1988-03-29 |
| 4662915 | Powder-air separator for use in a powder filling apparatus | Norio Shirai, Jotaro Kishimoto, Yukihide Noguchi, Hideomi Ishibe | 1987-05-05 |
| 4649357 | Surface-acoustic-wave filter | Nobuyoshi Sakamoto | 1987-03-10 |
| 4616902 | Composite filter, observation system and filamentary display device | — | 1986-10-14 |
| 4527042 | Method and apparatus for vacuum sealing a vacuum container assembly | Hiroshi Shinohara | 1985-07-02 |
| 4471206 | Method of sealing vacuum bottle evacuation chambers | — | 1984-09-11 |
| 4448809 | Method of silver plating stainless steel vacuum bottle surfaces | Hiroshi Shinohara, Nobuo Imamura | 1984-05-15 |
| 4409770 | Vacuum insulation spacer | Genbee Kawaguchi | 1983-10-18 |
| 4405875 | Hermetically sealed flat-type piezo-electric oscillator assembly | — | 1983-09-20 |
| 4358490 | Transparent vacuum insulation plate | — | 1982-11-09 |
| 4243910 | Filament support assembly for display device | — | 1981-01-06 |