Tsutomu Kunishima — 3 Patents at Alps Electric Co.

Tsutomu Kunishima has been granted 3 US patents while listed as an inventor at Alps Electric Co.. The first was granted in 2000 and the most recent in October 2011. Tsutomu Kunishima ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Tsutomu Kunishima in Rifu, JP.

Patents per Year

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
8044720	Amplification circuit	Akira Takayama	2011-10-25
7158192	Television tuner in which influence from analog signals is suppressed when receiving digital signals	—	2007-01-02
6037999	Tuner for receiving television signal	—	2000-03-14