TY

Tomohisa Yokogawa

Pioneer Electronic: 11 patents #118 of 1,840Top 7%
📍 Kawagoe, JP: #152 of 1,278 inventorsTop 15%
Overall (All Time): #475,260 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
4757322 Mobile antenna unit Shintaro Gomi 1988-07-12
4656364 Antenna switching circuit for a diversity receiving system and branching circuit with a signal attenuation operation Nobuo Kanda, Hideki Iwasaki 1987-04-07
4263581 Manual tuning pulse generator Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Reisuke Sato, Hisashi Suganuma +4 more 1981-04-21
4237373 Magnetic tape running state and tape run amount display device Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Reisuke Sato, Hisashi Suganuma +4 more 1980-12-02
4232395 Multiband radio receiver with electronic preset tuning system 1980-11-04
4225968 Electronic tuning type receiver having a band display and numerical frequency display Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Reisuke Sato, Hisashi Suganuma +4 more 1980-09-30
4214211 Electrostatic destruction preventing circuit for use in a receiver 1980-07-22
4205353 Combination device having a magnetic recording and reproducing unit and an electronic tuning type receiver Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Reisuke Sato, Hisashi Suganuma +4 more 1980-05-27
4205270 Station selection indicating device Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Reisuke Sato, Hisashi Suganuma +4 more 1980-05-27
4204169 Muting circuit in an electronic tuning type receiver Reisuke Sato 1980-05-20
4196395 Preset state indicating unit in an electronic tuning type receiver Masanao Okatani, Hiroshi Onishi, Yoshiaki Ishibashi, Reisuke Sato, Hisashi Suganuma +4 more 1980-04-01