Growing community of inventors

Saitama, Japan

Kiichiro Koguchi

Average Co-Inventor Count = 6.18

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 = 26

Kiichiro KoguchiMasami Tsuchida (3 patents)Kiichiro KoguchiKiyoshi Iwai (2 patents)Kiichiro KoguchiFumihiko Miyamoto (2 patents)Kiichiro KoguchiHisashi Yagi (2 patents)Kiichiro KoguchiToshio Ohtani (2 patents)Kiichiro KoguchiHiroshi Kawaguchi (2 patents)Kiichiro KoguchiTokihiro Takahashi (1 patent)Kiichiro KoguchiShiro Suzuki (1 patent)Kiichiro KoguchiKiichiro Koguchi (3 patents)Masami TsuchidaMasami Tsuchida (21 patents)Kiyoshi IwaiKiyoshi Iwai (3 patents)Fumihiko MiyamotoFumihiko Miyamoto (3 patents)Hisashi YagiHisashi Yagi (2 patents)Toshio OhtaniToshio Ohtani (2 patents)Hiroshi KawaguchiHiroshi Kawaguchi (2 patents)Tokihiro TakahashiTokihiro Takahashi (29 patents)Shiro SuzukiShiro Suzuki (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pioneer Electronic Corporation (3 from 2,861 patents)


3 patents:

1. 5121269 - Digital audio tape recorder and music program jump selecting method

2. 5079651 - Digital audio tape recorder and music program jump selecting method

3. 4887170 - Magnetic recording/reproducing apparatus for magnetically reproducing

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as of
1/11/2026
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