Growing community of inventors

Tokyo, Japan

Tetsuya Kawai

Average Co-Inventor Count = 2.03

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 = 236

Tetsuya KawaiKoji Watarai (2 patents)Tetsuya KawaiKenichi Matsunaga (1 patent)Tetsuya KawaiMasahiko Ogawa (1 patent)Tetsuya KawaiTakashi Itou (1 patent)Tetsuya KawaiNaohisa Kure (1 patent)Tetsuya KawaiShinobu Nagase (1 patent)Tetsuya KawaiKazuhisa Fukuhara (1 patent)Tetsuya KawaiTomoyuki Suzawa (1 patent)Tetsuya KawaiKayoko Kitada (1 patent)Tetsuya KawaiTetsuya Kawai (6 patents)Koji WataraiKoji Watarai (2 patents)Kenichi MatsunagaKenichi Matsunaga (82 patents)Masahiko OgawaMasahiko Ogawa (69 patents)Takashi ItouTakashi Itou (37 patents)Naohisa KureNaohisa Kure (11 patents)Shinobu NagaseShinobu Nagase (9 patents)Kazuhisa FukuharaKazuhisa Fukuhara (8 patents)Tomoyuki SuzawaTomoyuki Suzawa (4 patents)Kayoko KitadaKayoko Kitada (2 patents)
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Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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

2. Dentsu Tec, Inc. (2 from 4 patents)


6 patents:

1. 9132289 - Two-layer separate type hair cosmetic composition

2. 8674036 - Hair cosmetic

3. 7577579 - Method of predicting sales based on triple-axis mapping of customer value

4. 7039607 - System for evaluating a company's customer equity

5. 6746492 - Semipermanent hair dye composition

6. 6071504 - Hair treatment composition comprising alkalizing agent

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12/5/2025
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