Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887573 | Ignition timing adjusting apparatus for internal combustion engine | Yasuhiko Fujiwara, Toshiro Abe, Shinsuke Nakazawa, Masami Nagano, Takeshi Atago | 1989-12-19 |
AH
Atsunori Hashimoto
Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #130,568 of 140,708Top 95%
1
Patents 1989