TK

Tsutomu Kusuhara

DC Diamond Electric Mfg. Co.: 2 patents #8 of 50Top 20%
DC Diamond & Zebra Electric Mfg. Co.: 2 patents #1 of 22Top 5%
SC Save The Planet Co.: 1 patents #4 of 8Top 50%
DC Daihatsu Motor Co.: 1 patents #84 of 248Top 35%
Overall (All Time): #919,511 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12416281 Ignition device 2025-09-16
12104790 Ammonia combustion method and ammonia combustion system Mitsuhiro Izumi 2024-10-01
11898528 Ignition device Mitsuhiro Izumi, Hiroyuki Kimura 2024-02-13
7746079 Ion current detecting apparatus for internal combustion engine Yoshiyuki Fukumura, Mitsuhiro Izumi, Shinobu Sugisaki 2010-06-29
7448253 Combustion state determination method of internal combustion engine Morita Asano, Mitsuhiro Izumi 2008-11-11