Growing community of inventors

Tokyo, Japan

Eiji Sakuma

Average Co-Inventor Count = 1.80

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 = 11

Eiji SakumaToshikazu Okita (2 patents)Eiji SakumaSumitaka Sasaki (2 patents)Eiji SakumaEiji Sakuma (3 patents)Toshikazu OkitaToshikazu Okita (3 patents)Sumitaka SasakiSumitaka Sasaki (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nichibei Co., Ltd. (2 from 10 patents)

2. Other (1 from 833,002 patents)


3 patents:

1. 9101554 - Spray composition for companion animal bodies

2. 7461440 - Blind, blind slat, manufacturing method of the same, and forming machine of the same

3. 7069973 - Blind, slat for blinds, and method of producing the same and forming machine therefor

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1/22/2026
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