Growing community of inventors

Tokyo, Japan

Yoichi Iwamoto

Average Co-Inventor Count = 2.59

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 = 30

Yoichi IwamotoHiroshi Shimizu (69 patents)Yoichi IwamotoHisao Iwamoto (4 patents)Yoichi IwamotoHiroyuki Fujiwara (1 patent)Yoichi IwamotoMasaaki Katayama (1 patent)Yoichi IwamotoKohei Yamamoto (1 patent)Yoichi IwamotoTomochika Hamamoto (5 patents)Yoichi IwamotoKenichi Kawanishi (4 patents)Yoichi IwamotoRyuichi Nagase (3 patents)Yoichi IwamotoMasahito Matsubara (2 patents)Yoichi IwamotoHisanori Watanabe (1 patent)Yoichi IwamotoItaru Muroya (1 patent)Yoichi IwamotoKotoyo Mizuno (1 patent)Yoichi IwamotoKatsumi Matsuoka (1 patent)Yoichi IwamotoHiroyuki Kimura (1 patent)Yoichi IwamotoKeiji Jinbo (1 patent)Yoichi IwamotoKaina Teshima (1 patent)Yoichi IwamotoYoshihisa Fujiwara (1 patent)Yoichi IwamotoKeisuke Sasajima (1 patent)Yoichi IwamotoKoji Nishikawa (1 patent)Yoichi IwamotoIkuo Otake (0 patent)Yoichi IwamotoYoichi Iwamoto (8 patents)Hiroshi ShimizuHiroshi Shimizu (69 patents)Hisao IwamotoHisao Iwamoto (6 patents)Hiroyuki FujiwaraHiroyuki Fujiwara (54 patents)Masaaki KatayamaMasaaki Katayama (23 patents)Kohei YamamotoKohei Yamamoto (16 patents)Tomochika HamamotoTomochika Hamamoto (5 patents)Kenichi KawanishiKenichi Kawanishi (4 patents)Ryuichi NagaseRyuichi Nagase (3 patents)Masahito MatsubaraMasahito Matsubara (2 patents)Hisanori WatanabeHisanori Watanabe (2 patents)Itaru MuroyaItaru Muroya (2 patents)Kotoyo MizunoKotoyo Mizuno (1 patent)Katsumi MatsuokaKatsumi Matsuoka (1 patent)Hiroyuki KimuraHiroyuki Kimura (1 patent)Keiji JinboKeiji Jinbo (1 patent)Kaina TeshimaKaina Teshima (1 patent)Yoshihisa FujiwaraYoshihisa Fujiwara (1 patent)Keisuke SasajimaKeisuke Sasajima (1 patent)Koji NishikawaKoji Nishikawa (1 patent)Ikuo OtakeIkuo Otake (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kanebo, Limited (4 from 305 patents)

2. Mitsubishi Heavy Industries Limited (3 from 4,629 patents)

3. Katsushika Co., Ltd. (1 from 4 patents)


8 patents:

1. 11079290 - Contact force measurement method

2. 10859478 - Biaxial load test specimen, biaxial load test apparatus, and biaxial load test method

3. 8640337 - Pipe expansion method

4. 6682243 - Bar-like paint delivering container

5. 5934814 - Casing for dispensing rod-like cosmetic

6. 4961663 - Cartridge type cosmetic bar container

7. 4616947 - Slide type cosmetic container with compound screw

8. 4615632 - Slide type cosmetic container with compound screw

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as of
12/28/2025
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