Growing community of inventors

Saitama, Japan

Masatoshi Doi

Average Co-Inventor Count = 4.61

ph-index = 5

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 = 102

Masatoshi DoiFumie Shibata (6 patents)Masatoshi DoiYuuki Shibata (6 patents)Masatoshi DoiKeita Tanaka (4 patents)Masatoshi DoiYuko Inomata (3 patents)Masatoshi DoiKazumi Minoguchi (2 patents)Masatoshi DoiMakoto Oyama (1 patent)Masatoshi DoiMasatoshi Doi (6 patents)Fumie ShibataFumie Shibata (65 patents)Yuuki ShibataYuuki Shibata (22 patents)Keita TanakaKeita Tanaka (63 patents)Yuko InomataYuko Inomata (4 patents)Kazumi MinoguchiKazumi Minoguchi (4 patents)Makoto OyamaMakoto Oyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Combi Corporation (6 from 192 patents)


6 patents:

1. D502414 - Thermometer

2. D498827 - Baby baths

3. D491420 - Child fork

4. D491646 - Potty

5. D491645 - Toilet trainer

6. D489538 - Bath chair for infant

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idiyas.com
as of
12/17/2025
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