Growing community of inventors

Ibaraki, Japan

Masafumi Ishii

Average Co-Inventor Count = 2.57

ph-index = 1

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 = 9

Masafumi IshiiMichiya Kohiki (1 patent)Masafumi IshiiTomota Nagaura (1 patent)Masafumi IshiiNobuaki Miyamoto (1 patent)Masafumi IshiiYoshiyuki Miyoshi (1 patent)Masafumi IshiiMisato Honda (1 patent)Masafumi IshiiMasafumi Ishii (3 patents)Michiya KohikiMichiya Kohiki (11 patents)Tomota NagauraTomota Nagaura (9 patents)Nobuaki MiyamotoNobuaki Miyamoto (9 patents)Yoshiyuki MiyoshiYoshiyuki Miyoshi (1 patent)Misato HondaMisato Honda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Jx Nippon Mining Metals Corporation (3 from 481 patents)


3 patents:

1. 10519558 - Copper sulfate, copper sulfate solution, plating solution, method for producing copper sulfate, method for producing semiconductor circuit board, and method for producing electronic apparatus

2. 10178775 - Copper foil provided with carrier, laminate, printed wiring board, and method for fabricating printed wiring board

3. 9955583 - Surface-treated copper foil, copper foil with carrier, substrate, resin substrate, printed wiring board, copper clad laminate and method for producing printed wiring board

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idiyas.com
as of
12/5/2025
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