Haruhisa Hirokawa — 2 Patents at Toyota

Haruhisa Hirokawa has been granted 2 US patents while listed as an inventor at Toyota. The first was granted in 2017 and the most recent in September 2025. Haruhisa Hirokawa ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Haruhisa Hirokawa in Osaka, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12420252	Powder coating device and coating method, powder dispersion device, and powder dispersion method	Chunxiao Zhang, Keisuke Tominaga	2025-09-23
9537137	Cathode active material, cathode active material layer, all solid state battery and producing method for cathode active material	Yasushi Tsuchida, Hiroshi Nagase, Shigeki Sato, Masashi Kodama	2017-01-03	$720,000