Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827730 | Troubleshooting apparatus for automobile air-conditioning system | Shigetoshi Doi, Yoshiaki Anan, Katsumi Iida, Yoshihiko Sakurai | 1989-05-09 |
HN
Hirofumi Nagaoka
Diesel Kiki Co.: 1 patents #32 of 89Top 40%
Overall (1989): #104,644 of 140,708Top 75%
1
Patents 1989