Growing community of inventors

Kanagawa-ken, Japan

Issei Ishimaru

Average Co-Inventor Count = 4.44

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 = 81

Issei Ishimaru ↔ Yuichiro Konishi (2 patents)Issei Ishimaru ↔ Teiji Kohara (1 patent)Issei Ishimaru ↔ Kazuyuki Obuchi (1 patent)Issei Ishimaru ↔ Koji Minami (1 patent)Issei Ishimaru ↔ Junko Maruyama (1 patent)Issei Ishimaru ↔ Tatsuo Miyazaki (1 patent)Issei IshimaruIssei Ishimaru (2 patents)Yuichiro KonishiYuichiro Konishi (15 patents)Teiji KoharaTeiji Kohara (50 patents)Kazuyuki ObuchiKazuyuki Obuchi (5 patents)Koji MinamiKoji Minami (3 patents)Junko MaruyamaJunko Maruyama (2 patents)Tatsuo MiyazakiTatsuo Miyazaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Zeon Company, Ltd. (2 from 598 patents)


2 patents:

1. 6835440 - Light transmitting plate

2. 6633722 - Light guide plate with alicyclic resin

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idiyas.com
as of
12/28/2025
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