RY

Ryoji Yamamoto

AN Anritsu: 2 patents #192 of 633Top 35%
MC Mitsumi Electric Co.: 2 patents #346 of 935Top 40%
ND Ntt Docomo: 2 patents #761 of 1,706Top 45%
HP Hitachi Metals Precision: 1 patents #3 of 14Top 25%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #703,187 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11627481 Mobile terminal test device and mobile terminal test method Shunsuke Chino, Tsuyoshi Sato, Takuma Goto 2023-04-11
11483725 Mobile terminal test device and mobile terminal test method Tsuyoshi Sato, Takuma Goto, Shunsuke Chino 2022-10-25
8509784 Mobile communication method, radio control station, and radio base station Masafumi Masuda, Yasuhiro Kawabe, Takaaki Sato, Katsuhiko Yamagata 2013-08-13
8452282 Mobile communication method, mobile communication system, program, exchange, and specific radio base station Masafumi Masuda, Kenichiro Aoyagi, Takaaki Sato 2013-05-28
5585806 Flat antenna apparatus having a shielded circuit board Toshikazu Ogino, Hideo Yajima 1996-12-17
5548247 Amplifier having a field-effect transistor with gate biased at a potential lower than source potential Toshikazu Ogino 1996-08-20
4832908 Low thermal expansion cast alloy Katsuhisa Ishikawa, Takayuki TSUKAHARA 1989-05-23