Issued Patents All Time
Showing 76–99 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762728 | Antenna device for high-frequency radio apparatus and wrist watch-type radio apparatus | Shunsuke Koyama | 2004-07-13 |
| 6744698 | Battery powered electronic device and control method therefor | Shunsuke Koyama, Koji Kitazawa | 2004-06-01 |
| 6714233 | Mobile video telephone system | Hiroyuki Chihara | 2004-03-30 |
| 6693851 | Electronic device and control method for electronic device | Makoto Okeya | 2004-02-17 |
| 6643223 | Time keeping apparatus and control method therefor | — | 2003-11-04 |
| 6630852 | Power-generation detection circuit for use in an electronic device and power-generation detection method and power consumption control method for use in connection therewith | Shinji Nakamiya, Yoshitaka Iijima, Kenji Iida | 2003-10-07 |
| 6623157 | Electronic timepiece and method for transmitting data for electronic timepiece | Takashi Kawaguchi | 2003-09-23 |
| 6476580 | Electronic apparatus and control method for electronic apparatus | Shinji Nakamiya, Yoshitaka Iijima, Kenji Iida | 2002-11-05 |
| 6462967 | Power supply device, control method for the power supply device, portable electronic device, timepiece, and control method for the timepiece | Makoto Okeya | 2002-10-08 |
| 6463010 | Electronic timepiece and method for controlling the same | Shinji Nakamiya, Sho Matsuzaki | 2002-10-08 |
| 6429624 | Overcharge prevention method, charging circuit, electronic equipment and timepiece for preventing overcharge of a charge storage device | — | 2002-08-06 |
| 6421261 | Power supply apparatus with unidirectional units | Hiroshi Yabe, Osamu Shinkawa, Tadao Kadowaki | 2002-07-16 |
| 6373790 | Overcharge prevention method, changing circuit, electronic device and timepiece | — | 2002-04-16 |
| 6366485 | Power source device, power supplying method, portable electronic equipment, and electronic timepiece | — | 2002-04-02 |
| 6324084 | Power supply device, power supply method, portable electronics apparatus, and electronic timepiece | — | 2001-11-27 |
| 6320822 | Electronic equipment and control method for electronic equipment | Makoto Okeya, Hiroshi Yabe, Joji Kitahara, Hiroyuki Kojima, Noriaki Shimura | 2001-11-20 |
| 6154422 | Power-generating device, charging method and clocking device | Osamu Shinkawa, Akihito Uetake | 2000-11-28 |
| 6140863 | Power-generation detection circuit for use in an electronic device and power-generation detection method and power consumption control method for use in connection therewith | — | 2000-10-31 |
| 5940041 | Slot antenna device and wireless apparatus employing the antenna device | Shunsuke Koyama | 1999-08-17 |
| 5757326 | Slot antenna device and wireless apparatus employing the antenna device | Shunsuke Koyama, Norio Hama | 1998-05-26 |
| 5642120 | Antenna device and wireless apparatus employing the same | — | 1997-06-24 |
| 5589840 | Wrist-type wireless instrument and antenna apparatus | — | 1996-12-31 |
| 5465098 | Antenna apparatus for transceiver | Koichi Ito | 1995-11-07 |
| 5280646 | Paging device with structure for removing static electricity | Shunsuke Koyama, Takanori Miura, Norio Hama | 1994-01-18 |