Issued Patents All Time
Showing 101–104 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4734797 | PCM-signal recording and/or reproducing apparatus | Takao Takahashi | 1988-03-29 |
| 4716476 | Tape recording apparatus | Hiroshi Okada, Takao Takahashi | 1987-12-29 |
| 4691217 | Semiconductor integrated circuit device | Tatsuaki Ueno | 1987-09-01 |
| 4397667 | Method of coloring glass sheet by diffusion and reduction of silver ions | Hiroshi Morimoto, Kazuo Ueda | 1983-08-09 |