Growing community of inventors

Saitama, Japan

Ryuji Tsukuda

Average Co-Inventor Count = 2.57

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 30

Ryuji TsukudaKatsuhiro Kurokawa (15 patents)Ryuji TsukudaMasaharu Onda (2 patents)Ryuji TsukudaHiromichi Yanashima (2 patents)Ryuji TsukudaSeiji Sato (1 patent)Ryuji TsukudaYasushi Sunaga (0 patent)Ryuji TsukudaYousuke Satori (0 patent)Ryuji TsukudaNorimitsu Takeshita (0 patent)Ryuji TsukudaRyuji Tsukuda (3 patents)Katsuhiro KurokawaKatsuhiro Kurokawa (15 patents)Masaharu OndaMasaharu Onda (14 patents)Hiromichi YanashimaHiromichi Yanashima (2 patents)Seiji SatoSeiji Sato (1 patent)Yasushi SunagaYasushi Sunaga (0 patent)Yousuke SatoriYousuke Satori (0 patent)Norimitsu TakeshitaNorimitsu Takeshita (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Calsonic Kansei Corporation (3 from 560 patents)


3 patents:

1. 8511371 - Air conditioner for automobile

2. 8403735 - Automotive air conditioner

3. 7905278 - Vehicular air conditioner

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as of
1/13/2026
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