Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645445 | Injection device of injection molding machine | — | 1987-02-24 |
| 4615669 | Injection molding machine | Shigeru Fujita, Hiroshi Kanno | 1986-10-07 |
| 4524296 | Cathode structure for electron tube | Shouji Nakayama, Toshiharu Higuchi, Touru Yakabe | 1985-06-18 |
| 4379980 | Quick operating cathode | Tooru Yakabe, Shunji Asano | 1983-04-12 |
| 4370588 | Cathode assembly | Kenji Takahashi | 1983-01-25 |
| 4338542 | Directly heated cathode assembly | Shouji Nakayama, Toshiharu Higuchi | 1982-07-06 |
| 4298814 | Directly heated type cathode assembly | Toshiharu Higuchi | 1981-11-03 |
| 4259610 | Electron gun assembly for cathode ray tubes and method of assembling the same | Sadao Matsumoto | 1981-03-31 |
| 4184100 | Indirectly-heated cathode device for electron tubes | Sakae Kimura, Takashi Kuse, Toshiharu Matsuki | 1980-01-15 |