Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411465 | Rotary head drum assembly with upper, lower and inner drums with cylindrical surfaces of differing outward radial position | Makoto Miyamoto, Atsushi Imai, Yoshinobu Ono, Shinji Tanaka, Hisashi Takahashi +1 more | 2002-06-25 |