MH

Masanori Hamada

Sumitomo Electric Industries: 39 patents #287 of 21,551Top 2%
CC Clarion Co.: 5 patents #102 of 721Top 15%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
NK Nippon Hoso Kyokai: 1 patents #306 of 703Top 45%
Overall (All Time): #63,518 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 26–46 of 46 patents

Patent #TitleCo-InventorsDate
D278231 Combined tape recorder and radio receiver Michio Tanaka 1985-04-02
D277564 Combined tape recorder and radio receiver Akio Ohno 1985-02-12
4495653 Diversity receiver 1985-01-22
D273379 Combined portable radio and cassette tape recorder Akio Ohno, Takao Okada, Kikuo Ohta 1984-04-10
D273010 Portable radio Yoshiyuki Saigo, Etsuko Ichino, Takao Okada 1984-03-13
4426727 FM Noise reducing circuit 1984-01-17
4403343 Diversity receiver 1983-09-06
D267717 Clock radio Shinzo Murakami, Kazumasa Takenaka, Kikuo Ohta, Kunio Hoshino 1983-01-25
D266166 Clock radio Keizo Kushida, Kikuo Ohta 1982-09-14
D265649 Radio receiver Yoshiyuki Saigo 1982-08-03
D265312 Radio receiver Yoshiyuki Saigo 1982-07-06
D265313 Radio receiver Yoshiyuki Saigo 1982-07-06
D264717 Radio receiver Yoshiyuki Saigo, Benito Mishiro, Kikuo Ohta 1982-06-01
D264461 Combined radio receiver and cassette tape recorder Kunio Hoshino 1982-05-18
D262700 Combined cassette recorder and radio receiver Takao Okada, Kikuo Ohta 1982-01-19
D262621 Combined cassette recorder and radio receiver Manao Nakamura, Katsutoshi Kido, Benito Mishiro, Takao Okada 1982-01-12
D258820 Digital clock radio 1981-04-07
4244056 Noise reduction circuit Sueji Kawaguchi 1981-01-06
D256360 Solar battery powered radio receiver Teruyuki Nishimoto, Benito Mishiro 1980-08-12
D256362 Radio receiver Shuhei Taguchi, Teruyuki Nishimoto, Benito Mishiro, Kikuo Ohta 1980-08-12
D253822 Portable radio Benito Mishiro 1980-01-01