Growing community of inventors

Wakayama, Japan

Hiroyuki Masuda

Average Co-Inventor Count = 4.36

ph-index = 4

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 = 34

Hiroyuki MasudaYasuhiro Doi (3 patents)Hiroyuki MasudaTetsuaki Fukushima (2 patents)Hiroyuki MasudaUichiro Nishimoto (2 patents)Hiroyuki MasudaYoshimasa Okamoto (2 patents)Hiroyuki MasudaHiroshi Abe (2 patents)Hiroyuki MasudaTakeshi Kaharu (2 patents)Hiroyuki MasudaKeiko Hasebe (1 patent)Hiroyuki MasudaHiroyuki Masuda (4 patents)Yasuhiro DoiYasuhiro Doi (42 patents)Tetsuaki FukushimaTetsuaki Fukushima (23 patents)Uichiro NishimotoUichiro Nishimoto (15 patents)Yoshimasa OkamotoYoshimasa Okamoto (9 patents)Hiroshi AbeHiroshi Abe (9 patents)Takeshi KaharuTakeshi Kaharu (7 patents)Keiko HasebeKeiko Hasebe (20 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kao Corporation (4 from 3,600 patents)


4 patents:

1. 7326410 - Hair conditioner compositions

2. 6923954 - Conditioner

3. 6737050 - Hair cosmetic compositions

4. 6576794 - Process for production of ether amine

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as of
12/8/2025
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