Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654084 | Liquid crystal display device with a loop of black matrix material surrounding an opposing electrode | Yasuo Marukawa, Takashi Ikemoto, Takuo Kinoshita, Masayuki Kametani | 2003-11-25 |
| 4985077 | Watercolor ink | Osao Ise, Masahiko Ishida | 1991-01-15 |