Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858677 | Automobile air-conditioning apparatus with air blower control | Yoshiaki Nagayama, Katsumi Iida, Yoshihiko Sakurai | 1989-08-22 |
| 4827730 | Troubleshooting apparatus for automobile air-conditioning system | Yoshiaki Anan, Hirofumi Nagaoka, Katsumi Iida, Yoshihiko Sakurai | 1989-05-09 |