Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7345068 | Aromatic amino acid derivatives and medicinal compositions | Hitoshi Endou, Yoshikatsu Kanai, Kenji Tsujihara | 2008-03-18 |
| 6048842 | Propiophenone derivatives and process for preparing the same | Kenji Tsujihara, Mitsuya Hongu, Mamoru Matsumoto, Akira Oku | 2000-04-11 |
| 5767094 | Propiophenone derivative and processes for preparing the same | Kenji Tsujihara, Mitsuya Hongu, Mamoru Matsumoto, Kozo Oka | 1998-06-16 |
| 5741816 | Hair-growth agent | Kenji Tsujihara, Satoshi Furuuchi | 1998-04-21 |
| 4249004 | Salt of 1,3,6-tris(4,6-diamino-1,3,5-triazin-2-yl)-hexane and cyanuric acid | Masazumi Chono, Kunio Maeda | 1981-02-03 |
| 4208320 | Flame retardant resin composition comprising reaction product of polyguanamine compound and cyanuric or isocyanuric acid compound | Masazumi Chono, Kunio Maeda | 1980-06-17 |