JT

Jiro Tanaka

KC Kuraray Co.: 10 patents #123 of 1,827Top 7%
RG Rakuten Group: 5 patents #39 of 553Top 8%
KS Kawai Gakki Seisakusho: 5 patents #39 of 198Top 20%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
MM Mitsubishi Mining: 3 patents #285 of 2,247Top 15%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
NU National University Corporation Okayama University: 1 patents #90 of 315Top 30%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
KG Kabushiki Kaisha Kawai Gakki: 1 patents #1 of 7Top 15%
📍 Tsukuba, JP: #73 of 2,818 inventorsTop 3%
Overall (All Time): #118,646 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
5644982 Printing press Kazuyuki Koura, Takuji Tsugawa 1997-07-08
5630364 Printing press Kazuyuki Koura, Takuji Tsugawa 1997-05-20
5541357 Electronic instrument for synthesizing sound based on waveforms of different frequencies Hiroshi Sato, Gen Izumisawa, Kiyomichi Kushimiya 1996-07-30
5458061 Printing press Kazuyuki Koura, Takuji Tsugawa 1995-10-17
5428183 Tone signal generating apparatus for performing a timbre change by storing a full frequency band in a wave memory Eiji Matsuda, Hiroshi Kitagawa, Gen Izumisawa 1995-06-27
4225166 Lock striker with retractable keeper bar Yoshimasa Tsuchiya 1980-09-30