Growing community of inventors

Kawaguchi, Japan

Daisuke Sekido

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 6

Daisuke Sekido ↔ Eiji Ototsuki (2 patents)Daisuke SekidoDaisuke Sekido (2 patents)Eiji OtotsukiEiji Ototsuki (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumita Optical Glass, Inc. (2 from 55 patents)


2 patents:

1. D753857 - Helmet-mounted light

2. D753859 - Helmet-mounted light

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as of
1/13/2026
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