Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8580380 | Polybenzazole fiber and pyridobisimidazole fiber | Tooru Kitagawa, Kohei Kiriyama, Seiji Watanuki, Yusuke Shimizu | 2013-11-12 |
| 7802916 | Differential scanning calorimeter | — | 2010-09-28 |
| 7208109 | Method of preparing composite from rigid polymer solution and composite film | Seiji Watanuki, Hiroki Murase | 2007-04-24 |
| 7056579 | High-strength polyethylene fiber | Godo Sakamoto, Syoji Oda | 2006-06-06 |
| 6565786 | Method for producing formed article from polyphosphoric acid solution | Shoichi Uemura, Kiyoshi Hotta | 2003-05-20 |
| 5993963 | Polybenzazole fiber and method for production thereof | Tooru Kitagawa, Yoshikazu Tanaka, Michio Ishitobi | 1999-11-30 |
| 5772942 | Processes for producing polybenzazole fibers | Tooru Kitagawa, Michio Ishitobi | 1998-06-30 |
| 5599104 | Thermal analysis instrument | Nobutaka Nakamura | 1997-02-04 |
| 5534205 | Method for preparing polybenzoxazole or polybenzothiazole fibers | Timothy L. Faley, Michael E. Mills, Douglas E. Turek, Kazuyuki Yabuki | 1996-07-09 |
| 5525638 | Process for the preparation of polybenzazole filaments and fibers | Ashish Sen | 1996-06-11 |
| 5385702 | Method for stable rapid spinning of a polybenzoxazole or polybenzothiazole fiber | Michael E. Mills, Timothy L. Faley, Masaru Nakagawa | 1995-01-31 |
| 5296185 | Method for spinning a polybenzazole fiber | Chieh-Chun Chau, Timothy L. Faley, Michael E. Mills, Masaru Nakagawa, Timothy Rehg +3 more | 1994-03-22 |
| 5294390 | Method for rapid spinning of a polybenzazole fiber | Steven Rosenberg, George J. Quarderer, Ashish Sen, Masaru Nakagawa, Timothy L. Faley +2 more | 1994-03-15 |
| 4967601 | Viscoelasticity measuring apparatus | — | 1990-11-06 |
| 4923662 | Process for producing polyester fibers | Kazuo Kurita | 1990-05-08 |