Ken'ichi Ejima — 2 Patents at Toa

Ken'ichi Ejima has been granted 2 US patents while listed as an inventor at Toa. The first was granted in 2005 and the most recent in September 2015. Ken'ichi Ejima ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ken'ichi Ejima in Kobe, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
9131292	Wireless microphone system	Takashi Ogura, Koji Moriguchi	2015-09-08
6862332	Clock reproduction circuit	—	2005-03-01

Ken'ichi Ejima — 2 Patents

Issued Patents All Time

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