Growing community of inventors

Nagoya, Japan

Keiichi Mizutani

Average Co-Inventor Count = 2.00

ph-index = 4

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 = 69

Keiichi Mizutani ↔ Akira Ohashi (4 patents)Keiichi MizutaniKeiichi Mizutani (4 patents)Akira OhashiAkira Ohashi (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shachihata Industrial Co., Ltd. (4 from 25 patents)


4 patents:

1. D304840 - Marking pen

2. D302175 - Marking pen

3. D301488 - Marking pen

4. D301252 - Marking pen

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/12/2025
Loading…