Ken KIKKAWA — 3 Patents at Ohara

Ken KIKKAWA has been granted 3 US patents while listed as an inventor at Ohara. The first was granted in 2019 and the most recent in June 2020. Ken KIKKAWA ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ken KIKKAWA in Sagamihara, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
10689289	Optical glass, preform, and optical element	Atsushi Nagaoka	2020-06-23
10370289	Optical glass, preform, and optical element	Atsushi Nagaoka	2019-08-06
10189740	Optical glass, preform, and optical element	Atsushi Nagaoka	2019-01-29

Ken KIKKAWA — 3 Patents

Issued Patents All Time

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