Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7351359 | Method for producing conductive polyaniline and organic polymer composition | Yuko Sekine | 2008-04-01 |
| 6908958 | Organically modified layered clay as well as organic polymer composition and tire inner liner containing same | Kazunori Ishikawa, Naoya Amino, Masahiro Ikawa | 2005-06-21 |
| 6720378 | Rubber composition having improved wet skid resistance and rolling resistance | Kazunori Ishikawa, Yoshiaki Kirino | 2004-04-13 |
| 6483623 | Lamp apparatus for use in optical communication and a process for producing the same | — | 2002-11-19 |
| 6346701 | Photodetection method and photodetection device and photodetection/light emission device | — | 2002-02-12 |
| 6344510 | Rubber vulcanization agent and rubber composition containing the same | Kazunori Ishikawa | 2002-02-05 |
| 6061160 | Component device for optical communication | — | 2000-05-09 |
| 5959755 | Lamp apparatus for optical communication | — | 1999-09-28 |
| 5548048 | Process for manufacturing alkyl-substituted poly (2,2'-diyl) bipyridine-5,5'-diyl | Takakazu Yamamoto | 1996-08-20 |
| 5475082 | Use of poly(alkylpyridine-2,5-diyl) | Takakazu Yamamoto | 1995-12-12 |
| 5436316 | Poly(alkylpyridine-2,5-diyl) and preparation thereof | Takakazu Yamamoto | 1995-07-25 |
| 5424381 | Alkyl-substituted poly(2,2'-bipyridine-5,5'-diyl) and use thereof | Takakazu Yamamoto | 1995-06-13 |