Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824116 | Golf club head | Itsushi Nagamoto, Tatsuo Nakanishi | 1989-04-25 |
RT
Ryohei Tajima
Overall (1989): #59,722 of 140,708Top 45%
1
Patents 1989