Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855727 | Electrochromic display having a dielectric layer | Soji Tsuchiya, Yoshimasa Ito, Akio Yamashita | 1989-08-08 |
| 4851863 | Ink jet recording apparatus with a device for removing ink attached to an ink jet head | Kiyoshi Yamamori, Kimikatsu Satoh, Shigeyoshi Hasegawa | 1989-07-25 |
| 4764780 | Ink ejection recording apparatus having means for equalizing the static ink pressures of a plurality of ink nozzles arranged at different heights | Kiyoshi Yamamori, Shigeyoshi Hasegawa, Yuuji Mogi, Tamotsu Kojima | 1988-08-16 |
| 4746938 | Ink jet recording apparatus with head washing device | Kiyoshi Yamamori, Yuuji Mogi, Shigeyoshi Hasegawa, Tamotsu Kojima | 1988-05-24 |
| 4660939 | Electrochromic display device | Sohji Tsuchiya, Wataru Fujikawa, Toshikuni Kojima, Akio Yamashita | 1987-04-28 |