Toshinao Ukena — 2 Patents at Kao

Toshinao Ukena has been granted 2 US patents while listed as an inventor at Kao. The first was granted in 1987 and the most recent in January 2004. Toshinao Ukena ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Toshinao Ukena in Wakayama, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6673885	Process for the production of (meth)acrylic polymers	Kengo Shibata, Haruya Minou, Haruyuki Sato, Yoshinao Kono	2004-01-06
4713487	Ether carboxylates and process for preparing same	Fumimaro Sekine, Tomihiro Kurosaki, Hiroshi Kamitani	1987-12-15