Growing community of inventors

Yokohama, Japan

Keiko Kokubun

Average Co-Inventor Count = 4.80

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 = 1

Keiko KokubunSeiichi Kawano (2 patents)Keiko KokubunMikio Hagiwara (2 patents)Keiko KokubunJeffrey Mark Estroff (2 patents)Keiko KokubunRandall Scott Springfield (1 patent)Keiko KokubunDavid Carroll Challener (1 patent)Keiko KokubunKeiko Kokubun (2 patents)Seiichi KawanoSeiichi Kawano (53 patents)Mikio HagiwaraMikio Hagiwara (19 patents)Jeffrey Mark EstroffJeffrey Mark Estroff (10 patents)Randall Scott SpringfieldRandall Scott Springfield (183 patents)David Carroll ChallenerDavid Carroll Challener (133 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lenovo (singapore) Pte. Ltd. (2 from 4,126 patents)


2 patents:

1. 8347348 - Apparatus, system, and method for pre-boot policy modification

2. 8166540 - Hardware password alignment system apparatus and methods

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as of
12/2/2025
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