Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6117026 | Multi-piece solid golf ball | Junji Hayashi, Hisashi Yamagishi | 2000-09-12 |
| 4382147 | Process for isolating 4,4-dihydroxydiphenyl sulfone from a mixture of dihydroxydiphenylsulfone isomers | Hirotsugu Kitamura, Osami Ohura | 1983-05-03 |