Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6728058 | Cassette tape recorder | Naoki Yonetani | 2004-04-27 |
| 6443831 | Transfer register | Shigeru Yabuya, Akiyoshi Nagano, Akira Azumi, Kazumichi Shigeno, Hiromi Nagai +1 more | 2002-09-03 |
| 6105917 | Cup holder | Shigeru Yabuya, Akiyoshi Nagano, Junichiro Kako, Akira Azumi | 2000-08-22 |