Issued Patents All Time
Showing 25 most recent of 127 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8442915 | Modifiable authentication levels in authentication systems for transactions | Hisanori Kiyomatsu | 2013-05-14 |
| 8117444 | Host computer, mobile communication device, program, and recording medium | Hisanori Kiyomatsu | 2012-02-14 |
| 8032460 | Authentication managing apparatus, and shop communication terminal | Hisanori Kiyomatsu | 2011-10-04 |
| 7974247 | Communication terminal device and billing device | Hisanori Kiyomatsu | 2011-07-05 |
| 7969918 | Slave communication device for use in wireless LAN system and control method and control program of slave communication device | Hisanori Kiyomatsu | 2011-06-28 |
| 7944865 | Wireless LAN system and control method and control program of wireless LAN system | Hisanori Kiyomatsu | 2011-05-17 |
| 7869430 | Communication terminal device and billing device | Hisanori Kiyomatsu | 2011-01-11 |
| 6778654 | System for transfer control of telephone line | Changmine Zhou, Hisanori Kiyomatsu | 2004-08-17 |
| 6763231 | Radio communication device, parent communication device, parent-child communication device and radio communication system | Hisanori Kiyomatsu | 2004-07-13 |
| RE37953 | Filter circuit for communication | Guoliang Shou, Chanming Zhou, Makoto Yamamoto, Mamoru Sawahashi, Fumiyuki Adachi | 2002-12-31 |
| 6421027 | Millimeter-wave signal transmission system communicatable within buildings | Hisanori Kiyomatsu | 2002-07-16 |
| 6212219 | Spread spectrum communication system | Guoliang Shou, Changming Zhou, Xuping Zhou, Makoto Yamamoto | 2001-04-03 |
| 6169771 | Matched filter for spread spectrum communication systems and hybrid analog-digital transversal filter | Guoliang Shou, Changming Zhou, Xuping Zhou, Xiaoling Oin, Kazunori Motohashi +1 more | 2001-01-02 |
| 6031415 | Matched filter circuit for spread spectrum communication | Guoliang Shou, Changming Zhou, Makoto Yamamoto, Mamoru Sawahashi, Fumiyuki Adachi | 2000-02-29 |
| 5974038 | Receiver for code division multiple access communication system | Guoliang Shou, Changming Zhou, Xuping Zhou, Makoto Yamamoto | 1999-10-26 |
| 5958002 | Vector absolute--value calculation circuit | Changming Zhou, Guoliang Shou, Kunihiko Suzuki, Kazunori Motohashi, Makoto Yamamoto | 1999-09-28 |
| 5930290 | Spread spectrum communications system for high-speed communications | Changming Zhou, Guoliang Shou, Xuping Zhou, Makoto Yamamoto, Kenzo Urabe | 1999-07-27 |
| 5926512 | Matched filter circuit | Guoliang Shou, Changming Zhou, Makoto Yamamoto, Mamoru Sawahashi, Fumiyuki Adachi | 1999-07-20 |
| 5917343 | MOS inverter circuit | Guoliang Shou, Kazunori Motohashi, Makoto Yamamoto | 1999-06-29 |
| 5910948 | Acquisition scheme and receiver for an asynchronous DS-CDMA cellular communication system | Guoliang Shou, Changming Zhou, Xuping Zhou, Makoto Yamamoto, Mamoru Sawahashi +1 more | 1999-06-08 |
| 5872466 | Matched filter circuit | Guoliang Shou, Changming Zhou, Makoto Yamamoto | 1999-02-16 |
| 5864312 | Quantizing circuit | Guoliang Shou, Makoto Yamamoto | 1999-01-26 |
| 5862070 | Discrete cosine transformation circuit | Guoliang Shou, Jie Chen, Chanming Zhou | 1999-01-19 |
| 5848096 | Communication method and system using different spreading codes | Guoliang Shou, Changming Zhou, Makoto Yamamoto, Mamoru Sawahashi, Fumiyuki Adachi | 1998-12-08 |
| 5844937 | Matched filter system | Changming Zhou, Guoliang Shou, Makoto Yamamoto, Kenzo Urabe | 1998-12-01 |