Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398331 | Apparatus for driving a printhead and method of driving the printhead | Hideaki Ishimizu, Shigeru Tsunoda, Toshiro Suemune | 2002-06-04 |
| 5651621 | Wire dot print head with print wires fixed to tip portions of armatures differentiated in resiliency | Hideaki Ishimizu, Yoichi Umezawa, Takanori Mimura | 1997-07-29 |
| 5439302 | Self-adjusting controller for dot impact printer | Hirokazu Andou, Mitsuru Kishimoto, Hideaki Ishimizu, Yoichi Umezawa | 1995-08-08 |
| 4869605 | Wire-dot printing head with adjustable spring force | Hiroshi Kikuchi, Jiro Tanuma, Hideaki Ishimizu | 1989-09-26 |
| 4857005 | IC card connecting mechanism | Hiroshi Kikuchi, Jiro Tanuma, Hideaki Ishimizu, Takao Uchida | 1989-08-15 |