Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009425 | Golf club head | Takaharu Okumoto, Toshio Ninomiya | 1991-04-23 |
TH
Tstsuya Hayashi
Overall (All Time): #3,874,744 of 4,157,543Top 95%
1
Patents All Time