IH

Isao Hasegawa

SC Sanyo Electric Co.: 7 patents #794 of 6,347Top 15%
PA Panasonic: 6 patents #4,438 of 21,108Top 25%
CC Clarion Co.: 4 patents #133 of 721Top 20%
NE Nec: 3 patents #4,195 of 14,502Top 30%
TK Toyoda Koki Kabushiki Kaisha: 2 patents #222 of 674Top 35%
JC Japan Metals & Chemicals Co.: 2 patents #15 of 152Top 10%
JT Jtekt: 2 patents #749 of 1,969Top 40%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
University of Michigan: 1 patents #1,906 of 4,352Top 45%
AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
Overall (All Time): #117,860 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
4691261 Channel changing mechanism in a tape player Kikuo Yoshikawa, Satoshi Takagi, Akira Takahashi 1987-09-01
4674001 Cam driven mode selection mechanism for tape recorder Akira Takahashi 1987-06-16
4656552 Cam driven actuating mechanism for a tape player Akira Takahashi 1987-04-07
4614987 Mode selection device of a tape deck Akira Sukenari, Yukio Ito 1986-09-30
4588431 Mixed phosphatic fertilizer and process for producing the same Teruo Nakamura, Michio Kiyoto, Kazuo Akashi 1986-05-13
4440560 Mixed phosphatic fertilizer and process for producing the same Teruo Nakamura, Michio Kiyoto, Kazuo Akashi 1984-04-03