Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6243254 | Dielectric ceramic composition and laminated ceramic capacitor using the same | Nobuyuki Wada, Takashi Hiramatsu, Yukio Hamaji | 2001-06-05 |
| 5635435 | Dielectric ceramic compositions | — | 1997-06-03 |
| 5612268 | Dielectric ceramic composition | Sakiko Iwamoto, Yukio Hamaji | 1997-03-18 |
| 5432136 | Dielectric ceramic compositions | Yukio Hamaji | 1995-07-11 |
| D285683 | Combined video tape recorder and video camera | — | 1986-09-16 |
| D275390 | Video tape recorder | Hiroshi Yamamoto | 1984-09-04 |
| D272062 | Video tape cassette | Haruki Ogata | 1984-01-03 |