Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855637 | Oxidation resistant impregnated cathode | Isato Watanabe, Sadanori Taguchi, Susumu Sasaki | 1989-08-08 |
| 4783613 | Impregnated cathode | Isato Watanabe, Sadanori Taguchi, Susumu Sasaki | 1988-11-08 |
| 4737679 | Impregnated cathode | Sadanori Taguchi, Toshiyuki Aida, Isato Watanabe, Susumu Kawase | 1988-04-12 |
| 4687930 | Ion beam apparatus | Hifumi Tamura, Hiroyasu Shichi, Toru Ishitani | 1987-08-18 |
| 4639377 | Thin film formation technique and equipment | — | 1987-01-27 |
| 4626470 | Impregnated cathode | Sadanori Taguchi, Toshiyuki Aida | 1986-12-02 |
| 4518890 | Impregnated cathode | Sadanori Taguchi, Toshiyuki Aida, Yukio Honda | 1985-05-21 |
| 4379250 | Field emission cathode and method of fabricating the same | Shigeyuki Hosoki, Hideo Todokoro, Susumu Kawase, Yasuharu Hirai | 1983-04-05 |
| 4310777 | Directly heated cathode for electron tube | Hiroshi Fukushima, Ko Soeno, Hisashi Ando, Toshiyuki Aida | 1982-01-12 |
| 4291252 | Electron tube cathode | Toshiyuki Aida, Sadanori Taguchi, Isamu Yuito, Yukio Honda, Ushio Kawabe +4 more | 1981-09-22 |
| 4260665 | Electron tube cathode and method for producing the same | Toshiyuki Aida, Sadanori Taguchi, Isamu Yuito, Ushio Kawabe, Yukio Honda +2 more | 1981-04-07 |
| 4193013 | Cathode for an electron source and a method of producing the same | Masaaki Futamoto, Ushio Kawabe, Shigeyuki Hosoki, Tsutomu Komoda | 1980-03-11 |