Growing community of inventors

Yokohama, Japan

Hironori Ishikawa

Average Co-Inventor Count = 3.72

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 = 42

Hironori IshikawaYoshito Kawakyu (3 patents)Hironori IshikawaMasao Mashita (3 patents)Hironori IshikawaHideki Sato (2 patents)Hironori IshikawaKoichiro Iida (2 patents)Hironori IshikawaMasayoshi Yabe (2 patents)Hironori IshikawaKazuki Okabe (2 patents)Hironori IshikawaTomoyuki Ogata (2 patents)Hironori IshikawaMasahiro Sasaki (2 patents)Hironori IshikawaAsato Tanaka (2 patents)Hironori IshikawaMitsuru Tanamura (2 patents)Hironori IshikawaYuichiro Kawamura (2 patents)Hironori IshikawaSadaatsu Kato (1 patent)Hironori IshikawaKenichi Miyamoto (1 patent)Hironori IshikawaToyoki Sasakura (1 patent)Hironori IshikawaKoichi Asano (1 patent)Hironori IshikawaMitsuru Murata (1 patent)Hironori IshikawaHisao Hori (1 patent)Hironori IshikawaYuuki Asahi (1 patent)Hironori IshikawaYuji Tamiya (1 patent)Hironori IshikawaYoshinori Matsushima (1 patent)Hironori IshikawaRyuji Nishi (1 patent)Hironori IshikawaYuichiro Mitsubishi Chemical Group Scien Kawamura (0 patent)Hironori IshikawaHironori Ishikawa (9 patents)Yoshito KawakyuYoshito Kawakyu (10 patents)Masao MashitaMasao Mashita (7 patents)Hideki SatoHideki Sato (81 patents)Koichiro IidaKoichiro Iida (28 patents)Masayoshi YabeMasayoshi Yabe (17 patents)Kazuki OkabeKazuki Okabe (14 patents)Tomoyuki OgataTomoyuki Ogata (11 patents)Masahiro SasakiMasahiro Sasaki (9 patents)Asato TanakaAsato Tanaka (5 patents)Mitsuru TanamuraMitsuru Tanamura (5 patents)Yuichiro KawamuraYuichiro Kawamura (3 patents)Sadaatsu KatoSadaatsu Kato (48 patents)Kenichi MiyamotoKenichi Miyamoto (34 patents)Toyoki SasakuraToyoki Sasakura (11 patents)Koichi AsanoKoichi Asano (9 patents)Mitsuru MurataMitsuru Murata (9 patents)Hisao HoriHisao Hori (2 patents)Yuuki AsahiYuuki Asahi (2 patents)Yuji TamiyaYuji Tamiya (1 patent)Yoshinori MatsushimaYoshinori Matsushima (1 patent)Ryuji NishiRyuji Nishi (1 patent)Yuichiro Mitsubishi Chemical Group Scien KawamuraYuichiro Mitsubishi Chemical Group Scien Kawamura (0 patent)
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Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ntt Docomo, Inc. (4 from 4,698 patents)

2. Kabushiki Kaisha Toshiba (3 from 52,711 patents)

3. Mitsubishi Chemical Corporation (2 from 2,346 patents)

4. Super Wave Corporation (1 from 3 patents)


9 patents:

1. 11680832 - Detection device

2. 10455545 - Information communication terminal, peripheral device cooperation method, and program

3. 9640769 - Organic electric field light emitting element and production therefor

4. 9445358 - Mobile communication terminal, server apparatus, controlling system, controlling method, and program

5. 9365767 - Organic electric field light emitting element and production therefor

6. 7292843 - Function-limiting device and function-limiting method

7. 5300185 - Method of manufacturing III-V group compound semiconductor

8. 5229319 - Method for producing compound semiconductors and apparatus therefor

9. 5213654 - Vapor-phase epitaxial growth method for semiconductor crystal layers

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12/5/2025
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