Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5898511 | Process for making holograms and holography device | Yasuhiro Mizutani, Minoru Ohta, Tetsuya Kato, Hiroyuki Tatebayashi | 1999-04-27 |
| 5760931 | Image display unit | Yasuhiro Mizutani, Naoyuki Kawazoe, Yoshiaki Fukatsu, Satoshi Koike, Teiyuu Kimura +4 more | 1998-06-02 |
| 5726782 | Hologram and method of fabricating | Tetsuya Kato, Naoyuki Kawazoe, Yasuhiro Mizutani | 1998-03-10 |
| 5654116 | Hologram | Tetsuya Kato, Naoyuki Kawazoe, Yasuhiro Mizutani, Tomonori Ishikawa | 1997-08-05 |
| 5604611 | Hologram | Minoru Ohta, Hirokatsu Mukai, Yasuhiro Mizutani, Tetsuya Kato | 1997-02-18 |
| 5313317 | Hologram | Minoru Ohta, Hirokatsu Mukai, Yasuhiro Mizutani, Tetsuya Kato | 1994-05-17 |
| 5296836 | Gas component detecting element and detector | Masaya Fujimoto, Tadashi Tsuruta, Naochika Nunogaki | 1994-03-22 |
| 5182136 | Gas component detecting element and detector | Masaya Fujimoto, Tadashi Tsuruta, Naochika Nunogaki | 1993-01-26 |
| 4935710 | High frequency filter for electric instruments | Tohru Yamazaki, Hiroshi Sugimoto, Takashi Sakurai, Taisei Katoh | 1990-06-19 |
| 4840926 | High frequency wave absorbing ceramics | Nobuyuki Ohya, Toru Yamazaki, Taisei Katoh | 1989-06-20 |
| 4829030 | High frequency wave absorbing ceramics | Nobuyuki Ohya, Toru Yamazaki, Taisei Katoh | 1989-05-09 |
| 4824812 | High frequency wave absorbing ceramics | Nobuyuki Ohya, Toru Yamazaki, Taisei Katoh | 1989-04-25 |
| 4782310 | High frequency filter assembly for electric instrument | Nobuyuki Ohya, Toru Yamazaki, Taisei Katoh | 1988-11-01 |
| 4743868 | High frequency filter for electric instruments | Taisei Katoh, Toru Yamazaki | 1988-05-10 |
| 4742031 | High frequency wave absorbing ceramics | Nobuyuki Ohya, Toru Yamazaki, Taisei Katoh | 1988-05-03 |