Growing community of inventors

Hiroshima, Japan

Hiroshi Masachika

Average Co-Inventor Count = 1.14

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 = 91

Hiroshi MasachikaEiro Naruto (1 patent)Hiroshi MasachikaHiroshi Masachika (4 patents)Eiro NarutoEiro Naruto (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kumahira Safe Co., Inc. (3 from 10 patents)

2. Kumihara Safe Co., Inc. (1 from 1 patent)


4 patents:

1. 4622456 - After hour depository

2. 4573416 - After hour depository

3. 4489662 - After hour depository

4. 4466357 - After hour depository

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as of
12/20/2025
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