Issued Patents All Time
Showing 101–125 of 129 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647212 | Optical transmitter receiver and method of optical transmission and reception | Yoichi Toriumi, Takayuki Mogi, Sumihiro Ookawa | 2003-11-11 |
| 6480308 | Optical communication apparatus | Youichi Toriumi, Kazuyoshi Horie, Keniti Ookubo, Kuninori Shino | 2002-11-12 |
| 6351584 | Optical transmitter-receiver and optically sending/receiving method | Kazuyoshi Horie, Yoichi Toriumi, Kenichi Ookubo, Kuninori Shino | 2002-02-26 |
| 6268084 | Hydrogen-absorbing alloy and secondary battery | Hirotaka Hayashida, Masaaki Yamamoto, Hiroshi Kitayama, Shusuke Inada, Isao Sakai +3 more | 2001-07-31 |
| 6248475 | Nickel-hydrogen secondary battery | Hirotaka Hayashida, Masaaki Yamamoto, Hiroshi Kitayama, Shusuke Inada, Isao Sakai +3 more | 2001-06-19 |
| 6246499 | Optical signal communication apparatus and optical signal communication method | Yoshiyuki Kunito, Tatsuo Inoue, Yoichi Toriumi, Michihiko Sakurai | 2001-06-12 |
| 6214492 | Hydrogen-absorbing alloy, electrode and secondary battery | Tatsuoki Kono, Isao Sakai, Takamichi Inaba, Masaaki Yamamoto, Shiro Takeno | 2001-04-10 |
| 6200705 | Nickel-hydrogen secondary battery | Hirotaka Hayashida, Hiroshi Kitayama, Masaaki Yamamoto, Shusuke Inada, Isao Sakai +3 more | 2001-03-13 |
| 6148334 | System for transferring desired file by transferring concatenated file related to the desired file | Toru Imai, Hiroko Fujii, Toshihiko Shimokawa | 2000-11-14 |
| 6130006 | Hydrogen-absorbing alloy | Tatsuoki Kohno, Isao Sakai, Masaaki Yamamoto, Motoya Kanda, Fumiyuki Kawashima +5 more | 2000-10-10 |
| 6129272 | Electronic payment system using check identifier and issue time for illegal acts detection | Toru Imai | 2000-10-10 |
| 6075862 | Decryption key management scheme for software distribution system | Hideo Segawa, Toru Imai | 2000-06-13 |
| 6066415 | Hydrogen absorbing electrode and metal oxide-hydrogen secondary battery | Isao Sakai, Masaaki Yamamoto, Motoya Kanda | 2000-05-23 |
| 6002821 | Optical data transmission apparatus | — | 1999-12-14 |
| 5987510 | Method for transferring files according to file list provided in response to file request | Toru Imai, Hiroko Fujii, Toshihiko Shimokawa | 1999-11-16 |
| 5987476 | File reading method and file requesting client device in client-server information communication system | Toru Imai, Toshihiko Shimokawa, Hiroku Fujii | 1999-11-16 |
| 5936219 | Electronic payment system using check identifier and issue time for illegal acts detection | Toru Imai | 1999-08-10 |
| 5928365 | Computer system using software controlled power management method with respect to the main memory according to a program's main memory utilization states | — | 1999-07-27 |
| 5892944 | Program execution and operation right management system suitable for single virtual memory scheme | Atsushi Fukumoto, Toshinari Takahashi, Toshio Okamoto, Sung-Ho Shin | 1999-04-06 |
| 5870467 | Method and apparatus for data input/output management suitable for protection of electronic writing data | Toru Imai, Hideo Segawa | 1999-02-09 |
| 5708349 | Alkaline secondary battery manufacturing method, alkaline secondary battery positive electrode, alkaline secondary battery, and a method of manufacturing an initially charged alkaline secondary battery | Hiroyuki Hasebe, Shinji Tsuruta, Masaaki Yamamoto, Ken-ichi Kanno, Kiyoshi Ishitsuka +2 more | 1998-01-13 |
| 5438303 | Pulse with modulation apparatus with plural independably controllable variable delay devices | Daisuke Murakami, Takao Terao | 1995-08-01 |
| 5428321 | Pulse width modulator having controlled delay circuit | Daisuke Murakami | 1995-06-27 |
| 5394022 | Pulse width modulation circuit apparatus | Daisuke Murakami | 1995-02-28 |
| 5329173 | Signal detecting circuit apparatus | Daisuke Murakami, Kenji Kibayashi, Isao Matsumoto, Mitsuaki Nishie, Satoshi Takahashi +1 more | 1994-07-12 |