Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6346291 | Method of producing a cathode ray tube | Noriharu Matsudate, Ken Hashimoto, Masahiro Nishizawa, Satoshi Muto | 2002-02-12 |
| 6246163 | Cathode ray tube having bismuth oxide layer on color selective electrode | Noriharu Matsudate, Ken Hashimoto, Masahiro Nishizawa, Satoshi Muto | 2001-06-12 |
| 5814928 | Cathode ray tube having reduced doming effect | Noriharu Matsudate, Ken Hashimoto, Masahiro Nishizawa, Satoshi Muto | 1998-09-29 |
| 5216321 | Shadow-mask type color cathode-ray tube | Takao Kawamura, Hideo Tanabe, Masaki Shinoda | 1993-06-01 |
| 5138461 | Implosion-protected cathode-ray tube | Takao Kawamura, Hiroshi Kawasaki | 1992-08-11 |
| 4872924 | Method of producing shadow mask of color cathode ray tube | Akira Misumi | 1989-10-10 |
| 4833361 | Impregnated cathode having cathode base body and refractory metal support welded together | Yukio Suzuki | 1989-05-23 |
| 4543441 | Solar battery using amorphous silicon | Hideo Tanabe, Katsuo Yuhara, Akira Misumi, Hiroshi Kawasaki | 1985-09-24 |
| 4481265 | Photovoltaic-storage battery device | Masayoshi Ezawa, Akira Misumi, Kenkichi Suzuki | 1984-11-06 |
| 4446404 | Directly heated oxide cathode and production thereof | Akira Misumi | 1984-05-01 |
| 4382206 | Directly heated type oxide cathode | Akira Misumi | 1983-05-03 |
| 4222775 | Base metal plate materials for directly heated oxide cathodes | Akira Misumi | 1980-09-16 |
| 4208208 | Nickel alloy base metal plate for directly heated oxide cathodes | Akira Misumi | 1980-06-17 |