| 8899723 |
Waste liquid container and image forming apparatus |
Kazuki Suzuki |
2014-12-02 |
| 8684347 |
Sheet amount indicator and image forming apparatus with amplifying mechanism |
Yoshihide Sugiyama |
2014-04-01 |
| 8231201 |
Inkjet recording device |
— |
2012-07-31 |
| 8094890 |
Biometric authentication apparatus, biometric authentication system, IC card and biometric authentication method |
Makoto Aikawa, Shoko Hatanaka, Kazunori Hashimoto, Yutaka Takami |
2012-01-10 |
| 7712892 |
Image forming apparatus |
Hajime Nishida, Manabu Nonaka, Eiki Yoshimizu, Shinichiro Naruse, Yasuhiro Kawashima +10 more |
2010-05-11 |
| 7505714 |
Image forming device |
Shoji Asanuma, Shuji Tanaka, Manabu Nonaka, Kazumasa Ishikawa, Taku Kudoh +8 more |
2009-03-17 |
| 7431422 |
Head cleaner and image forming apparatus |
Shoji Asanuma, Manabu Nonaka, Hajime Nishida, Akihiro Fujita, Eiki Yoshimizu +5 more |
2008-10-07 |
| 7317546 |
Certification method and device and certificate issuer system |
Tomomi Haruna, Yoshiisa Inoue |
2008-01-08 |
| 6484946 |
IC card information display device and IC card for use therewith |
Kenji Matsumoto, Yutaka Takami, Masayuki Inoue, Koichi Yoneta, Tetsuharu Inamitsu +1 more |
2002-11-26 |
| 6339638 |
Telephone used for electronic money card transaction and method of operation of the same |
Masayuki Ohki, Atsuhiko Urushibara, Jun Furuya, Hiroki Kitagawa, Takao Oosawa |
2002-01-15 |
| 5895903 |
Terminal for portable IC card |
Yuhei Abe, Atsuhiko Urushihara, Masayuki Ohki |
1999-04-20 |
| 4843488 |
Noise elimination circuit for reproduction of audio signals in a magnetic tape recording and reproducing apparatus |
Yoshizumi Watatani |
1989-06-27 |
| 4490753 |
Audio signal recording and reproducing circuit |
Yoshizumi Watatani |
1984-12-25 |
| 4481546 |
Modulator-demodulator for obtaining and demodulating frequency-modulated signal |
Yoshizumi Watatani, Hitoaki Owashi |
1984-11-06 |
| 4453186 |
Video and sound signal recording and reproducing device |
Yoshizumi Watatani, Katsuo Mohri |
1984-06-05 |
| 4403262 |
Audio signal muting circuit for magnetic recording and reproducing apparatus |
Yoshizumi Watatani |
1983-09-06 |
