Growing community of inventors

Shizuoka, Japan

Akio Ishigaki

Average Co-Inventor Count = 2.86

ph-index = 1

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 = 0

Akio IshigakiKazuhiro Yamazaki (1 patent)Akio IshigakiMamoru Murakoshi (1 patent)Akio IshigakiShigeki Ono (1 patent)Akio IshigakiMasaru Takiguchi (1 patent)Akio IshigakiShigeru Yamamoto (1 patent)Akio IshigakiAkio Ishigaki (2 patents)Kazuhiro YamazakiKazuhiro Yamazaki (16 patents)Mamoru MurakoshiMamoru Murakoshi (4 patents)Shigeki OnoShigeki Ono (3 patents)Masaru TakiguchiMasaru Takiguchi (3 patents)Shigeru YamamotoShigeru Yamamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Koito Manufacturing Company, Ltd. (2 from 2,304 patents)


2 patents:

1. 7438455 - Vehicle lamp

2. 6514114 - Vehicle-lamp assembly apparatus

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as of
1/2/2026
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