Issued Patents All Time
Showing 101–125 of 164 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938165 | Program writable IC card and method thereof | Shigeyuki Itoh, Yutaka Takami, Kenji Matsumoto | 2005-08-30 |
| 6934228 | Optical head | Takeshi Shimano, Shigeru Nakamura, Kunikazu Ohnishi, Yukio Fukui | 2005-08-23 |
| 6867907 | Pumping light source unit, raman amplifier, and optical transmission system | Motoki Kakui, Masakazu Shigehara | 2005-03-15 |
| 6827258 | Electronic purse | Yutaka Takami, Kenji Matsumoto, Shigeyuki Itoh | 2004-12-07 |
| 6798564 | Raman amplification method, raman amplifier, and optical transmission system | Masayuki Nishimura | 2004-09-28 |
| 6778475 | Optical detector, optical pickup and optical information reproducing apparatus using optical pickup for detecting at least three light beams separated from one or more light sources | Katsuhiko Izumi, Kunikazu Ohnishi, Kenichi Shimada, Shinji Fujita | 2004-08-17 |
| 6746331 | Assisting a player to contact an object by adjusting timing | Mitsuharu Saikawa | 2004-06-08 |
| 6732272 | Program writable integrated circuit card and method therefore | Shigeyuki Itoh, Yutaka Takami, Kenji Matsumoto | 2004-05-04 |
| 6728173 | Information reproducing method which reproduces plural components of a focus error signal and a tracking error signal from plural detection regions of plural reflected light beams | Takeshi Shimano, Shigeru Nakamura, Kunikazu Ohnishi, Yukio Fukui | 2004-04-27 |
| 6721242 | Optical detector having three light receiving areas | Kunikazu Ohnishi, Takeshi Shimano, Shigeru Nakamura, Yukio Fukui, Yasuyuki Sugi +2 more | 2004-04-13 |
| 6634549 | IC card automated transaction terminal and IC used therein | Kenji Matsumoto, Shigeyuki Itoh, Yutaka Takami | 2003-10-21 |
| 6577922 | Point of sale product personalization system | M. Allison Gadrix, John Giles, Katherine S. Stone, James Michael Watson | 2003-06-10 |
| 6567355 | Optical detector, optical pickup and optical information reproducing apparatus using optical pickup | Katsuhiko Izumi, Kunikazu Ohnishi, Kenichi Shimada, Shinji Fujita | 2003-05-20 |
| 6518535 | Device and method for seaming welding | Masataka Yoneya, Shunji Yamaguchi, Yoshihiro Yamashita | 2003-02-11 |
| 6507009 | Optical detector, signal processing circuit and optical information reproduction apparatus thereof | Kunikazu Ohnishi, Takeshi Shimano, Shigeru Nakamura, Yukio Fukui, Yasuyuki Sugi +2 more | 2003-01-14 |
| 6505297 | IC card terminal device and installation of application program into IC card terminal device | Tetsuharu Inamitsu, Koichi Yoneta, Shigeyuki Itoh, Yutaka Takami, Kenji Matsumoto +1 more | 2003-01-07 |
| 6484946 | IC card information display device and IC card for use therewith | Kenji Matsumoto, Shigeyuki Ito, Yutaka Takami, Koichi Yoneta, Tetsuharu Inamitsu +1 more | 2002-11-26 |
| 6479140 | Radio wave absorbing materials, radio wave absorber, and radio wave anechoic chamber and the like made by using the same | Toshinori Takao, Masayoshi Suzue, Kohei Takanishi, Kazuhiko Mori | 2002-11-12 |
| 6425522 | IC card information processing system, and apparatus and cards for the same | Kenji Matsumoto, Shigeyuki Itoh, Yutaka Takami, Koichi Yoneta, Tetsuharu Inamitsu +1 more | 2002-07-30 |
| 6400664 | Optical head including electrical circuit which produces focus error signal and tracking error signal unaffected by variations in intensity distributions of reflected light beams | Takeshi Shimano, Shigeru Nakamura, Kunikazu Ohnishi, Yukio Fukui | 2002-06-04 |
| 6382505 | Electronic purse | Yutaka Takami, Kenji Matsumoto, Shigeyuki Itoh | 2002-05-07 |
| 6367696 | IC card processing device, automatic vending device, and selling method | Tetsuharu Inamitsu, Koichi Yoneta, Shigeyuki Itoh, Yutaka Takami, Kenji Matsumoto | 2002-04-09 |
| 6359699 | IC card processing system and processing method | Koichi Yoneta, Tetsuharu Inamitsu, Shigeyuki Itoh, Yutaka Takami, Kenji Matsumoto | 2002-03-19 |
| 6359870 | Receiving apparatus with intermittent receiving | Yukio Sato | 2002-03-19 |
| 6345263 | Electronic purse application system and method thereof | Kenji Matsumoto, Shigeyuki Itoh, Yutaka Takami, Iwao Aizawa | 2002-02-05 |