Issued Patents All Time
Showing 51–75 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6536673 | Circuit for detecting presence or absence of proximity IC card device | Yusuke Kawasaki, Yoshiyasu Sugimura | 2003-03-25 |
| 6519650 | System and method for controlling data transfer between portable medias and a processor to minimize communication hardware requirements | Yusuke Kawasaki, Koken Yamamoto | 2003-02-11 |
| 6474545 | Digital cash safe | Tadashi Haeno, Takumi Kishino, Koken Yamamoto, Toshiaki Ibi, Yasuyuki Higashiura | 2002-11-05 |
| 6443055 | Apparatus for producing food products in two layers | Kazuhisa Yamatani | 2002-09-03 |
| 6412691 | Electronic transaction apparatus | Tomomi Shiobara, Tsuyoshi Niwata | 2002-07-02 |
| 6332578 | Adapter | Tsuyoshi Niwata | 2001-12-25 |
| 6275873 | System for data communication between disk adapter and disk cartridge drive where adapter controller sending busy signal to disk cartridge drive if adapter controller is unavailable | Nobuhiko Akasaka, Tsuyoshi Niwata, Koken Yamamoto | 2001-08-14 |
| 6253999 | Electronic money safe using logical IC cards | Koken Yamamoto | 2001-07-03 |
| 6193162 | Disk-cartridge-type adapter | Tsuyoshi Niwata, Nobuhiko Akasaka | 2001-02-27 |
| 6135351 | Electronic transaction apparatus | Tomomi Shiobara, Tsuyoshi Niwata | 2000-10-24 |
| 6105864 | Terminal device and terminal system | Tomomi Shiobara, Koken Yamamoto, Nobuhiko Akasaka, Akiko Iwami | 2000-08-22 |
| 6070794 | Card unit processing apparatus | Tsuyoshi Niwata | 2000-06-06 |
| 6049843 | System for data communication between disk adapter and disk cartridge drive where adapter controller assigns specific track to formatted data to be sent to drive | Nobuhiko Akasaka, Tsuyoshi Niwata, Koken Yamamoto | 2000-04-11 |
| 6047341 | Disk-cartridge-type adapter including sensor and processor supplying power from power source to drive interface upon detecting rotation of magnet according to sensor output | Tsuyoshi Niwata | 2000-04-04 |
| 5983362 | Non-interrupted operation control apparatus for a modulator-demodulator | Masaru Yasunaga, Takeshi Asahina | 1999-11-09 |
| 5831760 | Electrochromic device | Junji Terada | 1998-11-03 |
| 5777780 | Electrochromic device and method for manufacturing the same | Junji Terada | 1998-07-07 |
| 5777779 | Electrochromic device and method for manufacturing the same | Junji Terada | 1998-07-07 |
| 5532871 | Two-wavelength antireflection film | Akihiko Yokoyama | 1996-07-02 |
| 5338170 | Device for charging fillings | Kiyoshi Hasegawa, Yasunori Tashiro | 1994-08-16 |
| 5030445 | Cosmetic composition | Takashi Umeno, Midori Ukawa, Norihiro Tanimoto | 1991-07-09 |
| 4999217 | Process for producing magnetic recording medium | Yukio Watanabe, Nobuyuki Hosoi | 1991-03-12 |
| 4923766 | Process for preparing magnetic recording | Nobuyuki Hosoi, Hiroshi Yoshida, Yukio Watanabe, Yasuo Mukai, Michiko Yamamoto | 1990-05-08 |
| 4918599 | Interrupt control system | Yasuyuki Higashiura, Yoshiyasu Sugimura, Hisayuki Nishimura | 1990-04-17 |
| 4824708 | Process for producing magnetic recording medium | Takashi Suzuki, Akinori Hasu, Hiroshi Yoshida | 1989-04-25 |