Growing community of inventors

Tokyo, Japan

Kazufumi Obara

Average Co-Inventor Count = 2.03

ph-index = 2

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 = 14

Kazufumi ObaraMasayuki Takahashi (1 patent)Kazufumi ObaraShigeru Kimura (1 patent)Kazufumi ObaraFumitaka Takahashi (1 patent)Kazufumi ObaraKunio Okazaki (1 patent)Kazufumi ObaraTohru Tanabe (1 patent)Kazufumi ObaraMasaru Shiraishi (1 patent)Kazufumi ObaraMinoru Tashiro (1 patent)Kazufumi ObaraKoji Yorimoto (1 patent)Kazufumi ObaraKazufumi Obara (3 patents)Masayuki TakahashiMasayuki Takahashi (19 patents)Shigeru KimuraShigeru Kimura (16 patents)Fumitaka TakahashiFumitaka Takahashi (15 patents)Kunio OkazakiKunio Okazaki (9 patents)Tohru TanabeTohru Tanabe (4 patents)Masaru ShiraishiMasaru Shiraishi (2 patents)Minoru TashiroMinoru Tashiro (2 patents)Koji YorimotoKoji Yorimoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Stanley Electric Co., Ltd (2 from 1,441 patents)

2. Honda Giken Kogyo Kabushiki Kaisha & Stanley Electric Co. (1 from 1 patent)


3 patents:

1. 4930349 - Gas rate sensor

2. 4891623 - Electric regulator unit

3. 3991358 - Constant voltage device for a magneto alternating current generator

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1/10/2026
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