Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363013 | Phosphor and cathode-ray tube using the same | Hidetsugu Matsukiyo, Teruki Suzuki, Hajime Yamamoto, Yasuhiko Uehara, Yoshihiro Koseki +5 more | 1994-11-08 |
| 5287325 | Semiconductor memory device having a driver unit for boosting a word line twice | — | 1994-02-15 |
| 5204582 | Cathode ray tube with an oxysulfide phosphor | Yasuhiko Uehara, Hiromichi Yamada, Yoshimasa Hara | 1993-04-20 |
| 5179318 | Cathode-ray tube with interference filter | Michihisa Maeda, Yoshiyuki Hanada, Hidemi Nakai, Yasuhiko Uehara | 1993-01-12 |
| 5177401 | Phosphor and cathode-ray tube using the same | Hidetsugu Matsukiyo, Teruki Suzuki, Hajime Yamamoto, Yasuhiko Uehara, Yoshihiro Koseki +5 more | 1993-01-05 |
| 4924139 | Projection cathode-ray tube with green emitting phosphor screen | Yasuhiko Uehara | 1990-05-08 |
| 4764902 | Memory circuit with improved word line noise preventing circuits | — | 1988-08-16 |
| 4694217 | Cathode ray tube including white luminous phosphor screen | — | 1987-09-15 |
| 4513024 | Process for forming phosphor screen | Naomitsu Watanabe | 1985-04-23 |
| 4369209 | Method of manufacturing a magnetic bubble memory element | Tadashi Iwashimizu, Koichi Igarashi | 1983-01-18 |