Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354136 | Ignition plug for internal combustion engine | Kyugo Hamai, Ryuzaburo Maruyama, Yasuhiko Nakagawa | 1982-10-12 |
MN
Meroji Nakai
Overall (1982): #43,105 of 81,411Top 55%
1
Patents 1982