Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816800 | Exhaust gas sensor | Kazuo Onaga, Kazunari Komatsu | 1989-03-28 |
| 4805733 | Active silencer | Masahiko Kato, Masanori Katou, Satosi Kuwakado, Koji Ito | 1989-02-21 |
KT
Katsuyuki Tanaka
Figaro Engineering: 1 patents #1 of 7Top 15%
Nippon Soken: 1 patents #23 of 70Top 35%
Nippondenso Co.: 1 patents #82 of 366Top 25%
Overall (1989): #22,675 of 140,708Top 20%
2
Patents 1989