Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6312400 | Air expandable bodies reciprocating a massage element | Hiromitu Itikawa, Yuuji Suzuki | 2001-11-06 |
| 4608071 | Method for reducing diameter of a glass rod or tube by drawing | Kiyoshi Yokokawa, Kazuo Koya | 1986-08-26 |