Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5913835 | O-ring test method and apparatus for human body | Takayoshi Naoi, Yoichiro Sako, Tomoko Ono, Mitsuyoshi Yamamoto | 1999-06-22 |
| 5579783 | O-ring test method and apparatus for measuring muscular strength | Takayoshi Naoi, Yoichiro Sako, Tomoko Ono, Mitsuyoshi Yamamoto | 1996-12-03 |
| 5257018 | Display device | Takehiro Kakizaki | 1993-10-26 |
| 5191259 | Fluorescent display apparatus with first, second and third grid plates | Masatake Hayashi, Tsuneo Muchi | 1993-03-02 |
| 4908547 | Beam index type color cathode ray tube | Takashi Toyama, Takahiro Yukawa | 1990-03-13 |
| 4646143 | Video projector type television receiver | Toshiro Watanabe, Takashi Toyama | 1987-02-24 |