TT

Takashi Tsuyumu

Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
DC Daido Steel Co.: 1 patents #95 of 272Top 35%
SC Sanyo Special Steel Co.: 1 patents #50 of 109Top 50%
Overall (All Time): #1,989,150 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9745649 Heat-resisting steel for exhaust valves Mototsugu Osaki, Shigeki Ueta 2017-08-29
7757396 Raw material powder for laser clad valve seat and valve seat using the same Toshiyuki Sawada, Akihiko Yanagitani, Shingo Fukumoto, Tomoki Okita, Makoto Asami +3 more 2010-07-20