Growing community of inventors

Toyota, Japan

Ko Ishikawa

Average Co-Inventor Count = 5.31

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 = 20

Ko IshikawaHideyuki Kato (2 patents)Ko IshikawaMasaharu Nakamura (2 patents)Ko IshikawaHiromasa Hayakawa (2 patents)Ko IshikawaHajime Yamashita (2 patents)Ko IshikawaYoshihide Itou (2 patents)Ko IshikawaFukuo Ogiso (2 patents)Ko IshikawaTamotsu Keinaga (2 patents)Ko IshikawaShingo Suzushika (2 patents)Ko IshikawaMakoto Murakami (1 patent)Ko IshikawaYoshitaka Ootake (1 patent)Ko IshikawaSusumu Watanabe (1 patent)Ko IshikawaMasaya Kometani (1 patent)Ko IshikawaSusumu Watanabe (0 patent)Ko IshikawaMasaya Kometani (0 patent)Ko IshikawaKo Ishikawa (4 patents)Hideyuki KatoHideyuki Kato (9 patents)Masaharu NakamuraMasaharu Nakamura (8 patents)Hiromasa HayakawaHiromasa Hayakawa (4 patents)Hajime YamashitaHajime Yamashita (2 patents)Yoshihide ItouYoshihide Itou (2 patents)Fukuo OgisoFukuo Ogiso (2 patents)Tamotsu KeinagaTamotsu Keinaga (2 patents)Shingo SuzushikaShingo Suzushika (2 patents)Makoto MurakamiMakoto Murakami (2 patents)Yoshitaka OotakeYoshitaka Ootake (1 patent)Susumu WatanabeSusumu Watanabe (1 patent)Masaya KometaniMasaya Kometani (1 patent)Susumu WatanabeSusumu Watanabe (0 patent)Masaya KometaniMasaya Kometani (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyota Jidosha Kabushiki Kaisha (4 from 36,546 patents)

2. Toyota Boshoku Kabushiki Kaisha (4 from 1,250 patents)

3. Aisin Seiki Kabushiki Kaisha (2 from 5,207 patents)


4 patents:

1. 8336942 - Structure for storing seat for automobile

2. 8113567 - Structure for storing vehicular seat

3. 7922251 - Vehicle seats

4. 7857392 - Vehicle seats

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as of
12/15/2025
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