Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225346 | Culture bag | Toshiharu Matsumiya, Kazuo Sakamoto, Shoji Sakakiyama, Masahachi Yoshioka | 1993-07-06 |
| 5093546 | Method of connecting plastic tubes using high frequency dielectric heating | Toshiharu Matsumiya, Tatsuhiko Kawaoka, Kazuo Sakamoto, Hiroshi Ogawara, Hiroshi Honda | 1992-03-03 |