Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477136 | Optical recording medium | Yuichi Sakurai, Yoshiyuki Nagataki, Mitsuru Ito, Takuya Hayashi | 2002-11-05 |
| 6121365 | Polymer fine particles and ink composition containing the same | Shouji Saibara | 2000-09-19 |
| 5964930 | Black pigment ink and method for producing the same | Shoji Saibara, Shigeo Aoyama, Yuichi Sakurai | 1999-10-12 |
| 5886079 | Polymer fine particles and ink composition containing the same | Shouji Saibara | 1999-03-23 |