Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649180 | Hard capsule formed of cellulose ether film with a specific content of methoxyl and hydroxypropoxyl groups | Masaru Tanjoh | 2003-11-18 |
| 6413463 | Process for producing hard capsule | Taizo Yamamoto, Shunji Nagata | 2002-07-02 |
| 5756123 | Capsule shell | Taizo Yamamoto, Kazukiyo Akai | 1998-05-26 |
| 5431917 | Hard capsule for pharmaceutical drugs and method for producing the same | Taizo Yamamoto, Kenji Abe | 1995-07-11 |
| 5419916 | Gelatin coating composition and hard gelatin capsule | Taizo Yamamoto, Masato Kobayashi | 1995-05-30 |
| 5264223 | Hard capsule for pharmaceutical drugs and method for producing the same | Taizo Yamamoto, Kenji Abe | 1993-11-23 |