Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858499 | Polycarbonate copolymer containing oxaspiroundecane group and production process therefor | Masanori Abe, Keisuke Shinohara, Wataru Funakoshi | 1999-01-12 |
| 5696222 | Process for the production of polycarbonate | Hiroaki Kaneko, Wataru Funakoshi | 1997-12-09 |
| 5668202 | Process for production of stabilized polycarbonate | Masumi Hirata, Wataru Funakoshi | 1997-09-16 |
| 5516878 | Process for the production of aromatic polycarbonate | Wataru Funakoshi, Masumi Hirata, Masanori Abe, Hiroaki Kaneko | 1996-05-14 |
| 5494952 | Process for production of stabilized polycarbonate | Masumi Hirata, Wataru Funakoshi | 1996-02-27 |
| 5486555 | Process for production of stabilized polycarbonate | Masumi Hirata, Wataru Funakoshi | 1996-01-23 |
| 5268478 | Sulfur compound-coordinate bonded organic coloring matter, compositions of same, and photorecording media containing same | Takeyuki Kawaguchi, Takashi Shiro, Kaoru Iwata | 1993-12-07 |
| 5053201 | Process and apparatus for preparation of polyesters | Shinichi Yamauchi, Eiji Matsumura, Yasuhiko Saito, Takashi Kishida | 1991-10-01 |
| 4370302 | Machine for solid phase polymerization | Akihiro Suzuoka, Toshifumi Okuhira, Eiji Matsumura | 1983-01-25 |