Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8598699 | Semiconductor device having a ground metal layer through which at least one hole is formed, and a ground patch disposed in the at least one hole | — | 2013-12-03 |
| 8253245 | Communication device | Toshiya Mitomo | 2012-08-28 |
| 8041368 | Mobile communications terminal, service area calculation apparatus and method of calculating service area | Hiroki Shoki, Ichiro Seto, Shuichi Sekine, Kuniaki Ito, Hiroshi Yoshida +1 more | 2011-10-18 |
| 7539485 | Apparatus and method for mapping a location of wireless base stations in a mobile communication system | Hiroki Shoki, Ichiro Seto, Takehiko Toyoda, Hiroshi Yoshida, Shuichi Sekine +1 more | 2009-05-26 |
| 7305232 | Apparatus and method for mapping a location of wireless base stations in a mobile communication system | Hiroki Shoki, Ichiro Seto, Takehiko Toyoda, Hiroshi Yoshida, Shuichi Sekine +1 more | 2007-12-04 |
| 7292866 | Mobile communications terminal, service area calculation apparatus and method of calculating service area | Hiroki Shoki, Ichiro Seto, Shuichi Sekine, Kuniaki Ito, Hiroshi Yoshida +1 more | 2007-11-06 |
| 7120417 | Mobile communications terminal, service area calculation apparatus and method of calculating service area | Hiroki Shoki, Ichiro Seto, Shuichi Sekine, Kuniaki Ito, Hiroshi Yoshida +1 more | 2006-10-10 |
| 7034631 | Symmetric microwave filter and microwave integrated circuit merging the same | Keiichi Yamaguchi | 2006-04-25 |
| 6934557 | Portable type radio equipment | Shu-ichi Sekine, Takayoshi Itoh, Yuji Iseki, Keiichi Yamaguchi, Hiroyuki Kayano +4 more | 2005-08-23 |
| 6876270 | Symmetric microwave filter and microwave integrated circuit merging the same | Keiichi Yamaguchi | 2005-04-05 |
| 6455880 | Microwave semiconductor device having coplanar waveguide and micro-strip line | Yuji Iseki, Keiichi Yamaguchi, Junko Onomura, Eiji Takagi | 2002-09-24 |
| 5914536 | Semiconductor device and soldering portion inspecting method therefor | Yasushi Shizuki, Yuji Iseki, Kunio Yoshihara, Masayuki Saito, Hiroshi Yamada +1 more | 1999-06-22 |
| 5631809 | Semiconductor device for ultrahigh frequency band and semiconductor apparatus including the semiconductor device | Eiji Takagi, Yuji Iseki | 1997-05-20 |