Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350129 | Spark-ignition internal combustion engine capable of preventing noxious gas emissions | Yasuo Nakajima, Yoshimasa Hayashi, Tooru Yoshimura | 1982-09-21 |
SN
Shin-ichi Nagumo
Overall (1982): #31,176 of 81,411Top 40%
1
Patents 1982