Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5579231 | Management system for manufacture | Kouji Sudou, Masao Shukuya, Masao Ishiwata, Hidetoshi Uchibori, Toshinari Matsui +7 more | 1996-11-26 |
| 4774631 | Cooling structure of electronic equipment rack | Susumu Arai, Masao Ishiwata, Hirotoshi Takada | 1988-09-27 |
| 4447856 | Shelf unit for electronic communication devices | Yoshihiro Takahashi, Yutaka Matsukuma | 1984-05-08 |
| 4321654 | Frame unit for electronic communication devices | Toshihiko Nakajo, Yoshihiro Takahashi, Yutaka Matsukuma | 1982-03-23 |