Growing community of inventors

Tokyo, Japan

Hiroshi Takematsu

Average Co-Inventor Count = 2.25

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 = 11

Hiroshi TakematsuToyonori Muraji (3 patents)Hiroshi TakematsuMotohiro Tako (1 patent)Hiroshi TakematsuHiroshi Takematsu (3 patents)Toyonori MurajiToyonori Muraji (10 patents)Motohiro TakoMotohiro Tako (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seiko Clock Inc. (3 from 29 patents)


3 patents:

1. 9244435 - Timepiece having a wide variety of appearances

2. 9213315 - Timepiece with movable ornamental body

3. 9176477 - Timepiece

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idiyas.com
as of
12/19/2025
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