Growing community of inventors

Tokyo, Japan

Shinya Tamura

Average Co-Inventor Count = 4.80

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 = 109

Shinya TamuraHiroshi Yamazaki (2 patents)Shinya TamuraKenji Oshima (2 patents)Shinya TamuraShigeru Shimozono (2 patents)Shinya TamuraKunio Hashimoto (1 patent)Shinya TamuraTeruo Takane (1 patent)Shinya TamuraShinya Tamura (2 patents)Hiroshi YamazakiHiroshi Yamazaki (105 patents)Kenji OshimaKenji Oshima (23 patents)Shigeru ShimozonoShigeru Shimozono (6 patents)Kunio HashimotoKunio Hashimoto (2 patents)Teruo TakaneTeruo Takane (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seikosha Co., Ltd. (2 from 696 patents)


2 patents:

1. 5124959 - Hour chime clock

2. 4993006 - Device for turning decoration for timepiece

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as of
12/6/2025
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