Growing community of inventors

Okazaki, Japan

Hiroshi Takai

Average Co-Inventor Count = 6.31

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 = 49

Hiroshi TakaiRyoichi Fukumoto (2 patents)Hiroshi TakaiDaiichi Shiraishi (2 patents)Hiroshi TakaiMasayuki Uchitsunemi (2 patents)Hiroshi TakaiMotohiro Kokubo (2 patents)Hiroshi TakaiKeiichi Fukushima (2 patents)Hiroshi TakaiTetsuya Nakamura (1 patent)Hiroshi TakaiMinoru Sugawara (1 patent)Hiroshi TakaiTerutsugu Gotanda (1 patent)Hiroshi TakaiMasaru Hoshina (1 patent)Hiroshi TakaiKatsuhiko Tada (1 patent)Hiroshi TakaiKousuke Shiramizu (1 patent)Hiroshi TakaiKen Fukuda (1 patent)Hiroshi TakaiHiroji Okada (1 patent)Hiroshi TakaiHiromu Yamagami (1 patent)Hiroshi TakaiYoshirou Awano (1 patent)Hiroshi TakaiHiroshi Jounishi (1 patent)Hiroshi TakaiYoshihide Endou (1 patent)Hiroshi TakaiHiroshi Takai (4 patents)Ryoichi FukumotoRyoichi Fukumoto (96 patents)Daiichi ShiraishiDaiichi Shiraishi (24 patents)Masayuki UchitsunemiMasayuki Uchitsunemi (9 patents)Motohiro KokuboMotohiro Kokubo (6 patents)Keiichi FukushimaKeiichi Fukushima (4 patents)Tetsuya NakamuraTetsuya Nakamura (18 patents)Minoru SugawaraMinoru Sugawara (13 patents)Terutsugu GotandaTerutsugu Gotanda (8 patents)Masaru HoshinaMasaru Hoshina (8 patents)Katsuhiko TadaKatsuhiko Tada (8 patents)Kousuke ShiramizuKousuke Shiramizu (2 patents)Ken FukudaKen Fukuda (2 patents)Hiroji OkadaHiroji Okada (2 patents)Hiromu YamagamiHiromu Yamagami (2 patents)Yoshirou AwanoYoshirou Awano (1 patent)Hiroshi JounishiHiroshi Jounishi (1 patent)Yoshihide EndouYoshihide Endou (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyota Jidosha Kabushiki Kaisha (2 from 36,546 patents)

2. Other (1 from 832,718 patents)

3. Aisin Seiki Kabushiki Kaisha (1 from 5,207 patents)

4. Idemitsu Petrochemical Co., Ltd. (1 from 555 patents)

5. Osaka Transformer Co., Ltd. (1 from 8 patents)


4 patents:

1. 6378251 - Door locking assembly for a vehicle and a door assembly having the same

2. 6231112 - Vehicle door assembly

3. 5788297 - Resin-made shock absorbing member for a vehicle and method for producing

4. 4563569 - Gas shielded arc welding torch with consumable electrode wire

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as of
12/9/2025
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