Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7989099 | Information medium substrate and information medium | Atsushi Koyama, Teppei Osawa, Tomoki Ushida, Kentaro Iida, Mamoru Usami | 2011-08-02 |
HH
Hideki Hijikata
Overall (All Time): #3,257,992 of 4,157,543Top 80%
1
Patents All Time