Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663775 | Charge mosaic membrane, its production process, method of its use, and apparatus provided with the same | Takashi Fukutomi, Yoshifumi Sugito, Minoru Takizawa, Naomi Oguma, Seiji Doi | 2003-12-16 |
| 6623556 | Near-infrared transmitting black azo pigments | Yoshiyuki Zama, Hisao Okamoto, Hiromitsu Yanagimoto, Shirou Yamamiya, Yoshio Abe | 2003-09-23 |
| 6521038 | Near-infrared reflecting composite pigments | Hiromitsu Yanagimoto, Yoshiyuki Zama, Hisao Okamoto, Tohru Hosoda, Yoshio Abe | 2003-02-18 |