Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5707646 | Taste masking pharmaceutical composition | Toshio Yajima, Kuniaki Ishii, Nobuo Umeki, Shigeru Itai, Hidefumi Hayashi +1 more | 1998-01-13 |
| 5227171 | Process for producing flavored pharmaceutical preparation for oral administration using a cold water solution of polyvinyl acetal dimethylaminoacetate | Ikuo Koyama, Eri Makabe, Yasuo Ozawa | 1993-07-13 |
| 5017383 | Method of producing fine coated pharmaceutical preparation | Yasuo Ozawa, Ikuo Koyama | 1991-05-21 |
| 4911907 | Cockroach attractants | Haruo Shimamura, Tatsuoki Iguchi, Hiroshi Yamaguchi | 1990-03-27 |
| 4892740 | Orally administrable pharmaceutical preparation of improved flavoring characteristics | Yasuji Takasima, Ikuo Koyama, Kaoru Maezuru | 1990-01-09 |
| 4627981 | Attractant-ingestion stimulant preparations for Periplaneta americana L | Haruo Shimamura, Hiroshi Yamaguchi, Hiroshi Murayama, Ryohei Kaneko, Katsura Seki | 1986-12-09 |