Tomonao Kako — 5 Patents at Rubycon

Tomonao Kako has been granted 5 US patents while listed as an inventor at Rubycon. The first was granted in 2013 and the most recent in December 2025. Tomonao Kako ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Tomonao Kako in Nagano, JP.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
12494324	Capacitor and method for manufacturing same	—	2025-12-09
12456584	Thin film polymer laminated capacitor and manufacturing method therefor	Toshihito Kanai, Arina Hayakawa	2025-10-28
11854748	Thin film high polymer laminated capacitor manufacturing method	Chiharu Ito	2023-12-26
9947477	Method of manufacturing thin-film polymer multi-layer capacitor and thin-film polymer multi-layer capacitor	Shigeya Tomimoto	2018-04-17
8587924	Multilayer capacitor, manufacturing method thereof, circuit board, and electronic device	Takenori Tezuka, Chiharu Ito	2013-11-19

Tomonao Kako — 5 Patents

Issued Patents All Time

Patent Widget