Growing community of inventors

Mobara, Japan

Sigeru Matsuyama

Average Co-Inventor Count = 4.29

ph-index = 3

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 = 58

Sigeru MatsuyamaMasaharu Koyama (2 patents)Sigeru MatsuyamaKen Sasaki (2 patents)Sigeru MatsuyamaTadashi Ishibashi (1 patent)Sigeru MatsuyamaHironari Tanaka (1 patent)Sigeru MatsuyamaNoboru Hoshino (1 patent)Sigeru MatsuyamaKatuhiro Miyazaki (1 patent)Sigeru MatsuyamaMasamitsu Naoi (1 patent)Sigeru MatsuyamaTsunehiro Yoshino (1 patent)Sigeru MatsuyamaSigeru Matsuyama (3 patents)Masaharu KoyamaMasaharu Koyama (10 patents)Ken SasakiKen Sasaki (10 patents)Tadashi IshibashiTadashi Ishibashi (17 patents)Hironari TanakaHironari Tanaka (5 patents)Noboru HoshinoNoboru Hoshino (5 patents)Katuhiro MiyazakiKatuhiro Miyazaki (1 patent)Masamitsu NaoiMasamitsu Naoi (1 patent)Tsunehiro YoshinoTsunehiro Yoshino (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (3 from 42,485 patents)


3 patents:

1. 4458987 - Multi-layer liquid crystal panel with sealing members and retainers in

2. 4455185 - Method of manufacturing liquid crystal display element

3. 4043639 - Field effect type liquid crystal display elements provided with

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12/7/2025
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