Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9027160 | Access management system and access management method | Kumiko Yamaguchi, Tetsuhiro Tanno, Mao Asai, Ryo Nakajima | 2015-05-05 |
| 8949319 | Transfer device | Masaaki Yamamoto, Katsumi Sekiguchi, Norihito Sekizaki | 2015-02-03 |
| 8838032 | Communication terminal and communication control method | Toshiyuki Suzuki, Mitsuru Murata | 2014-09-16 |
| 8423614 | Transfer device | Masaaki Yamamoto, Katsumi Sekiguchi, Norihito Sekizaki | 2013-04-16 |
| 8326940 | Transfer device | Masaaki Yamamoto, Katsumi Sekiguchi, Norihito Sekizaki | 2012-12-04 |
| 8306867 | Reproducing apparatus, portable communication apparatus, administrative server, and content distribution system | Mitsunori Nojima, Yohei Iwami, Minehiro Konya, Azusa Umemoto, Katsuo Doi +2 more | 2012-11-06 |
| 8260878 | Transfer device | Masaaki Yamamoto, Katsumi Sekiguchi, Norihito Sekizaki | 2012-09-04 |
| 8121488 | Infrared communication apparatus and infrared communication method | Kumiko Yamaguchi, Kenji Mameda, Hitoshi Naoe, Masaki Nishida, Tsukasa Kaminokado | 2012-02-21 |
| 7716475 | Mobile station and communication control method | Mao Asai, Tatsuro Oi, Kosuke Kakuno, Akira Shibutani | 2010-05-11 |
| 7457634 | Communication terminal, communication state information providing system, and method of providing communication state information | Yasuo Morinaga, Toshio Kaneda, Satoshi Takase, Nobuaki Sasao, Masashi Itoh | 2008-11-25 |
| 7412223 | Mobile communication terminal | Masaaki Yamamoto, Yuko Watanabe, Kouji Chiba | 2008-08-12 |
| 7151952 | Portable telephone and terminal equipment | Masaaki Yamamoto | 2006-12-19 |
| 6898640 | Communication system for mobile devices | Shigetaka Kurita, Norihiko Hirose, Keizaburo Sasaki | 2005-05-24 |
| 6826413 | Portable telephone and terminal equipment | Masaaki Yamamoto | 2004-11-30 |
| 6708200 | Communication system and communication method | Seiji Ura, Yoshifumi Yonemoto, Hiromi Wada, Junji Ishigaki, Keizaburo Sasaki | 2004-03-16 |
| 5659893 | Transmission circuit with improved gain control loop | Takashi Enoki, Kohji Chiba, Fujio Sasaki | 1997-08-19 |