Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6200231 | Hollow solid golf ball | Keiji Moriyama, Kazuo Hochi, Masaya Tsunoda, Akihiro Nakahara, Kiyoto Maruoka +1 more | 2001-03-13 |
| 5944621 | Hollow golf ball | Minoru Tsujinaka, legal representative, Kinuko Tsujinaka, legal representative, Kazuo Hochi, Masaya Tsunoda, Keiji Moriyama +1 more | 1999-08-31 |