Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641069 | Drag washer of reel for fishing and reel for washing using the same | Hitoshi Katayama, Hiroshi Hasegawa, Teruhisa Kondo | 2003-11-04 |
| 5294300 | Production method of expanded graphite sheet and expanded graphite sheet obtained thereby | — | 1994-03-15 |