Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40571 | Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester | Takeshi Ohmatsuzawa, Fujito Ehara, Hideshi Hori, Kazuo Toyota, Kenzaburou Fukutani +8 more | 2008-11-11 |
| 6649731 | Catalysts for polyester production, process for producing polyester, and polyester | Hideshi Hori, Fujito Ehara, Akiyoshi Shimizu, Nobumasa Mukai | 2003-11-18 |
| 6613259 | Process of making polyester pellets | Koji Takahashi, Koji Nakamachi, Hiroji Niimi, Masayuki Sakai, Hitoshi Tsuboi | 2003-09-02 |
| 6528617 | Process for producing aliphatic polyester excellent in stability | Yuji Terado, Hiroshi Suizu, Masatoshi Takagi, Masanobu Ajioka, Masayuki Sakai +4 more | 2003-03-04 |
| 6485804 | Polyester compositions and laminates and processes for producing biaxially stretched polyester bottles | Koji Nakamachi, Masahiro Kouya | 2002-11-26 |
| 6451959 | Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester | Takeshi Ohmatsuzawa, Fujito Ehara, Hideshi Hori, Kazuo Toyota, Kenzaburou Fukutani +8 more | 2002-09-17 |
| 6417266 | Process for preparing aliphatic polyester | Yuji Terado, Hiroshi Suizu, Masatoshi Takagi, Masanobu Ajioka, Masayuki Sakai +4 more | 2002-07-09 |
| 6346070 | Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester | Takeshi Ohmatsuzawa, Fujito Ehara, Hideshi Hori, Kazuo Toyota, Kenzaburou Fukutani +8 more | 2002-02-12 |
| 6320014 | Polyester pellets | Koji Takahashi, Koji Nakamachi, Hiroji Niimi, Masayuki Sakai, Hitoshi Tsuboi | 2001-11-20 |
| 6140458 | Preparation process of polyester | Yuji Terado, Hiroshi Suizu, Masatoshi Takagi, Masanobu Ajioka, Masayuki Sakai +4 more | 2000-10-31 |
| 5948860 | Propylene polymer compositions | Masayoshi Yamaguchi, Hajime Inagaki, Mikio Hashimoto | 1999-09-07 |
| 5811513 | Process for producing polyethylene naphthalate | Hiroshi Iwasaki, Masayasu Ishibashi, Hiromi Ueki, Toru Matsuyoshi, Satoshi Inoki | 1998-09-22 |