Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934613 | Container units for drugs, drug containers, and rubber closures | Masamichi Sudo | 2011-05-03 |
| 7927315 | Piston for a syringe and a prefilled syringe using the same | Masamichi Sudo | 2011-04-19 |
| 7874827 | Syringe mold | Hiroshi Togashi | 2011-01-25 |
| 7766882 | Syringe piston | Tsuyoshi Koshidaka | 2010-08-03 |
| 7426998 | Molding die assembly for rubber members and rubber member produced thereby | Masamichi Sudo, Kouichi Asai | 2008-09-23 |
| D547443 | Sealing device for medicine container or medical apparatus | — | 2007-07-24 |
| D544959 | Sealing device for medicine container or medical apparatus | — | 2007-06-19 |
| 7226554 | Molding die assembly for rubber members and rubber member produced thereby | Masamichi Sudo, Kouichi Asai | 2007-06-05 |
| 7214214 | Sealing rubber closure for syringe/container | Masamichi Sudo | 2007-05-08 |
| 6756008 | Cylindrical vial with bottom for medicine | — | 2004-06-29 |
| 6628379 | Method and apparatus for inspection of rubber product | Masamichi Sudo | 2003-09-30 |
| 6528007 | Production process of rubber plugs | — | 2003-03-04 |
| 6524282 | Sealing rubber closure for syringe/container | Masamichi Sudo | 2003-02-25 |
| 6344034 | Sealing rubber closure for syringe/container | Masamichi Sudo | 2002-02-05 |
| 6286699 | Laminated rubber stopper | — | 2001-09-11 |
| 6171670 | Sanitary container | Yasushi Kawachi | 2001-01-09 |
| 6129712 | Plunger for syringe | Kouichi Asai | 2000-10-10 |
| 6074373 | Syringe with a luer-lok portion | Hiroshi Togashi | 2000-06-13 |
| 6042770 | Process for the production of plastic cap | Hiroshi Togashi | 2000-03-28 |
| 6007520 | Medical instrument | — | 1999-12-28 |
| 5994465 | Rubber composition containing an organic compound having two maleimide groups and a rubber article for pharmaceuticals and medical treatment | Tomoyasu Muraki, Eiji Kawachi, Yasushi Kawachi | 1999-11-30 |
| 5984901 | Adapter system for syringe pre-filled with liquid medicament and syringe pre-filled with liquid medicament | Yasuo Suzuki | 1999-11-16 |
| 5951527 | Sliding piston for syringe | — | 1999-09-14 |
| 5908686 | Modified polysiloxane composition and a sanitary rubber article coated with the composition | Tomoyasu Muraki, Eiji Kawachi, Yasushi Kawachi | 1999-06-01 |
| 5853833 | Sanitary container and production process thereof | Yasushi Kawachi | 1998-12-29 |