Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844469 | Golf trainer for calculating ball carry | Yoshinori Yasuda, Akio Takase, Takao Tsutsumi, Hiroaki Taguchi | 1989-07-04 |
KO
Koji Ogawa
Overall (1989): #86,055 of 140,708Top 65%
1
Patents 1989