Issued Patents 2002
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467868 | Ink discharge detecting method for an ink jet recording apparatus, said ink jet recording apparatus, and an image forming device using said ink jet recording apparatus | Akio Okubo, Keizo Sasai, Yasuhiko Ikeda, Shigeyuki Sugiyama, Mitsuo Morita | 2002-10-22 |
| 6463022 | Information recording medium, enclosing casing of information recording medium, and information recording apparatus using the same | Tamotsu Ito, Tsukasa Hasegawa, Shigemitsu Higuchi | 2002-10-08 |
| 6426803 | Reading/printing apparatus and reading apparatus | Keizo Sasai, Hiroshi Ogushi, Kazuyuki Morinaga, Fumihiko Nakamura, Shigeyuki Sugiyama +3 more | 2002-07-30 |
| 6419341 | Method and apparatus for detecting the discharge status of inkjet printheads | Yukio Nohata, Takeshi Kohno, Takashi Ono, Shinichiro Kohri, Shigeyuki Sugiyama | 2002-07-16 |
| 6399954 | Charged-particle beam lithography apparatus and system capable of readily detecting abnormality in controlling on-off operation | Isamu Seto, Hidefumi Yabara | 2002-06-04 |
| 6392763 | Sheet feeding apparatus and image forming apparatus | Takayuki Nishinohara, Fumihiko Nakamura, Noriyuki Aoki | 2002-05-21 |
| 6381442 | Image forming apparatus with paper post-treatment device | Motoaki Okitsu, Yasushi Matsutomo, Shinichiro Hiraoka, Tadaaki Kawano, Kimihide Tsukamoto +11 more | 2002-04-30 |
| 6373008 | Light illuminating type switch | Yasufumi Naoi, Koji Yoneda, Kaori Aoki | 2002-04-16 |
| 6347068 | Information recording medium, enclosing casing of information recording medium, and information recording apparatus using the same | Tamotsu Ito, Tsukasa Hasegawa, Shigemitsu Higuchi | 2002-02-12 |
| 6345023 | Optical disc apparatus with different frequencies of wobble signal and clock signal for rotation control | Tetsuya Fushimi, Toshimitsu Kaku, Toshiaki Ishibashi | 2002-02-05 |