MT

Masaharu Tanaka

TO Toyota: 13 patents #2,130 of 26,838Top 8%
AC Asahi Glass Co.: 12 patents #147 of 2,251Top 7%
Sumitomo Electric Industries: 10 patents #2,734 of 21,551Top 15%
Mitsubishi Electric: 6 patents #4,940 of 25,717Top 20%
UN Unknown: 5 patents #3,065 of 83,584Top 4%
AC Aisin Aw Co.: 4 patents #484 of 2,011Top 25%
SC Sansha Electric Manufacturing Co.: 4 patents #21 of 93Top 25%
MC Mitsui Engineering & Shipbuilding Co.: 2 patents #87 of 496Top 20%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
OC Ono Pharmaceutical Co.: 1 patents #329 of 559Top 60%
Rohm Co.: 1 patents #1,438 of 2,292Top 65%
RO Roland: 1 patents #161 of 292Top 60%
DC Dohkai Chemical Industry Co.: 1 patents #6 of 8Top 75%
JT Japan Tobacco: 1 patents #582 of 1,187Top 50%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
SS Suwa Seikosha: 1 patents #103 of 220Top 50%
KC Kyosan Denki Co.: 1 patents #47 of 129Top 40%
NC Nissin Foods Holdings Co.: 1 patents #42 of 96Top 45%
Overall (All Time): #45,992 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #TitleCo-InventorsDate
5262580 Musical instrument digital interface processing unit Shunsuke Ishida 1993-11-16
4974696 Power transmission device for four wheel drive vehicles Shin Miyajima, Takenori Kano, Fumitomo Yokoyama, Yasunari Nakamura, Koujiro Kuramochi 1990-12-04
4909345 Power transmission device for four wheel drive vehicles Tatsuya Iwatsuki, Takenori Kano, Fumitomo Yokoyama, Yasunari Nakamura, Isamu Minemoto +2 more 1990-03-20
4731893 Method of caustic alkali treatment for knitted work 1988-03-22
D269502 Digital wristwatch 1983-06-28