Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7049756 | Capacitive load driving circuit, capacitive load driving method, and apparatus using the same | Takasumi Wada, Hirokazu Fujita | 2006-05-23 |
| 6739685 | Ink-jet head control method and ink-jet printer | — | 2004-05-25 |
| 5771055 | Laser printer capable of cooling heat generating parts as well as reducing noise | Ken-ichi Morimoto, Kouichi Moriyama, Yuhi Yui, Tokio Awata, Satoshi Murakami | 1998-06-23 |
| 5715149 | High-voltage power pack | Sumitaka Arikawa | 1998-02-03 |
| 5610685 | LED write apparatus and method for making same | — | 1997-03-11 |
| 5537214 | Reading and writing apparatus with rotating mirror | Toshio Urakawa | 1996-07-16 |
| 5477261 | Polygon mirror, a scanning apparatus and an image forming apparatus using the same | — | 1995-12-19 |
| 5289564 | Image recording apparatus for providing high quality image | Keniti Morimoto, Satoshi Murakami, Yuriko Kamei | 1994-02-22 |
| 4988088 | Sheet turning device | — | 1991-01-29 |
| 4919499 | Optical printer of scaning type | — | 1990-04-24 |
| 4878225 | Controlling apparatus for laser diode | Yukio Mizuno | 1989-10-31 |
| 4725967 | Frequency converter for use in a laser printer | Minoru Sakama | 1988-02-16 |
| 4700202 | Ink cartridge in an ink jet system printer | Masaaki Kuranishi | 1987-10-13 |
| 4652222 | Ripple regulating system in a liquid supply system | — | 1987-03-24 |
| 4641219 | Low noise solenoid drive | — | 1987-02-03 |
| 4601595 | Paper sheet setting mechanism in a printer | Koichi Furukawa | 1986-07-22 |
| 4599624 | Atmospheric pressure chamber in an ink jet system printer | Masaaki Kuranishi, Hideyuki Miyake | 1986-07-08 |
| 4567353 | High-accuracy temperature control | — | 1986-01-28 |
| 4555718 | Piezo activated pump in an ink liquid supply system | Masaaki Kuranishi, Hideyuki Miyake | 1985-11-26 |
| 4476472 | Bubble removal in an ink liquid supply system of an ink jet system printer | Naohiro Oku | 1984-10-09 |
| 4430049 | Ripple regulator in a liquid supply system | — | 1984-02-07 |
| 4401990 | Nozzle cleaning device in an ink jet system printer | Yoichi Yamamoto, Hiroji Iwai, Ikuo Umeda | 1983-08-30 |
| 4364055 | Ink issuance direction check system in an ink jet system printer | — | 1982-12-14 |
| 4329695 | Charge timing evaluation in an ink jet system printer of the charge amplitude controlling type | — | 1982-05-11 |
| 4302762 | Ink jet system printer including plural ink droplet issuance units for one column printing | — | 1981-11-24 |