Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617706 | Ignition system | Yoshihiro Matsubara, Akio Kokubu, Kazumasa Yoshida, Makoto Yamaguchi, Shoichiro Ito +1 more | 2003-09-09 |
| 6550888 | Recovery of ink jet recording apparatus using controlled suction of ink | Jun Katayanagi, Hiroyuki Saito | 2003-04-22 |
| 6520700 | Recording apparatus | — | 2003-02-18 |
| 6338541 | Ink jet recording apparatus with plural waste ink tanks | Jun Katayanagi, Hiroyuki Saito | 2002-01-15 |
| 6247778 | Recording apparatus and recording method | — | 2001-06-19 |
| 6229253 | Spark plug with specific gap between insulator and electrodes | Takahiro Suzuki, Yoshihiro Matsubara | 2001-05-08 |
| 6154231 | Suction recovery of ink jet recording apparatus | — | 2000-11-28 |
| 6062670 | Ink jet recording apparatus having discharge recovery means | Osamu Asakura, Masasumi Nagashima, Yoshiyuki Shimamura, Kenji Kawazoe, Seiji Takahashi +3 more | 2000-05-16 |
| 6012797 | Method for driving an ink jet recording head having improved discharge stability and recording apparatus having the same | Yoshiyuki Shimamura, Seiji Takahashi, Yasushi Koike | 2000-01-11 |
| 5997120 | Recording apparatus which allows ink amount detection upon exchange of a printhead | Takahiro Ohde, Osamu Asakura, Masasumi Nagashima, Yoshiyuki Shimamura, Kenji Kawazoe +3 more | 1999-12-07 |
| 5992961 | Ink jet recording apparatus, method for determining reduced ink remains, and information processing apparatus | Tetsuya Ishikawa, Osamu Asakura, Masasumi Nagashima, Yoshiyuki Shimamura, Kenji Kawazoe +3 more | 1999-11-30 |
| 5992965 | Suction recovery device with a cap having a shape corresponding to a contoured discharge port face | Jun Katayanagi, Masasumi Nagashima | 1999-11-30 |
| 5880852 | Reading unit and recording apparatus on which the reading unit is mountable | Shinya Asano, Tsutomu Kawai, Hiroyuki Tanaka | 1999-03-09 |
| 5873338 | Spark plug for an internal combustion engine | Yoshihiro Matsubara, Tetsushi Suzuki, Yuuji Hirano | 1999-02-23 |
| 5816723 | Electronic apparatus capable of feeding sheets from a front side, and sheet feeding device for use therewith | Seiji Takahashi, Osamu Asakura, Masasumi Nagashima, Yoshiyuki Shimamura, Kenji Kawazoe +3 more | 1998-10-06 |
| 5818471 | Recording apparatus and method for indicating decrease of ink remains | Yoshiyuki Shimamura, Osamu Asakura, Masasumi Nagashima, Kenji Kawazoe, Seiji Takahashi +3 more | 1998-10-06 |
| 5764253 | Ink jet recording apparatus provided with means for calculating waste ink amount, and information processing system provided with such an ink jet recording apparatus | Yoshio Uchikata | 1998-06-09 |
| 5638098 | Document processing apparatus for controlling fixation of recorded ink | Yoshiaki Hayashi, Jun Katayanagi, Hiroshi Fukui | 1997-06-10 |
| 5481282 | Suction recovery device and ink jet recording apparatus with the device | — | 1996-01-02 |
| 5423377 | Condenser for a steam turbine and a method of operating such a condenser | Yoosyun Horibe, Yoshio Sumiya, Ryoichi Ohkura | 1995-06-13 |
| 5406317 | Ink jet recording with coordinated capping and recovery ejection operations | Yoshiyuki Shimamura, Jun Katayanagi | 1995-04-11 |
| 5386222 | Ink jet recording system and recovery device used with same | — | 1995-01-31 |
| 5347193 | Spark plug having an erosion resistant tip | Takafumi Oshima, Tsutomu Okayama | 1994-09-13 |
| 5320569 | Method of making a spark plug | Takafumi Oshima, Mamoru Musasa, Tsutomu Okayama | 1994-06-14 |
| 5245362 | Ink jet recording apparatus with discharge recovery apparatus having varying driving force | Jun Katayanagi, Hiroyuki Saito | 1993-09-14 |