Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827730 | Troubleshooting apparatus for automobile air-conditioning system | Shigetoshi Doi, Hirofumi Nagaoka, Katsumi Iida, Yoshihiko Sakurai | 1989-05-09 |
| 4801770 | Switch assembly | Kazuo Yukitomo, Masaichi Hattori, Kaneyasu Arakawa, Akira Hanaki, Koichi Kihira | 1989-01-31 |