Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Mai Tasaka — 7 Patents in 2018

ACAsahi Glass Co.: 5 patents #4 of 185Top 3%
AGAgc: 2 patents #10 of 105Top 10%
Chiyoda, JP: #9 of 421 inventorsTop 3%
Overall (2018): #13,627 of 503,207Top 3%
7 Patents 2018

Issued Patents 2018

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10138403 Composition for heat cycle system and heat cycle system Masato Fukushima, Hiroaki Mitsuoka 2018-11-27
10131827 Working fluid for heat cycle, composition for heat cycle system, and heat cycle system Masato Fukushima, Hiroaki Mitsuoka, Satoshi Kawaguchi, Katsuya Ueno, Toshiyuki Tanaka +7 more 2018-11-20
10072194 Working fluid for heat cycle Masato Fukushima, Satoshi Kawaguchi, Tomoaki Taniguchi, Yu Takeuchi 2018-09-11
9976067 Composition for heat cycle system, and heat cycle system Masato Fukushima, Hiroaki Mitsuoka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai 2018-05-22
9969917 Method for producing working fluid Masato Fukushima, Satoshi Kawaguchi, Katsuya Ueno 2018-05-15
9957429 Composition for heat cycle system, and heat cycle system Masato Fukushima, Hiroaki Mitsuoka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai 2018-05-01
9957430 Composition for heat cycle system, and heat cycle system Masato Fukushima, Hiroaki Mitsuoka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai 2018-05-01