Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7171015 | Speaker apparatus | Kazuo Murayama | 2007-01-30 |
| 6991675 | Electroless displacement gold plating solution and additive for use in preparing plating solution | Yasushi Takizawa, Kazunori Hibi | 2006-01-31 |
| 6736886 | Electroless gold plating bath and method | Yasuo Ohta, Yasushi Takizawa | 2004-05-18 |
| 6185060 | Changeover circuit in tape recorder | Kazuo Murayama | 2001-02-06 |
| 5871631 | Acidic tin-plating bath and additive therefor | Mikiyuki Ichiba, Hiroshi Kubo, Yoshinori Yomura, Takeshi Miura | 1999-02-16 |
| 5212833 | Microcomputer controlled synthesizer-type radio receiver | Akio Araki, Toshio Asai | 1993-05-18 |