Growing community of inventors

Kaisei, Japan

Yumiko Takei

Average Co-Inventor Count = 3.00

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 = 12

Yumiko TakeiHiroaki Ono (126 patents)Yumiko TakeiKazuhiko Akimoto (1 patent)Yumiko TakeiYuki Takeda (10 patents)Yumiko TakeiFumio Hoshino (1 patent)Yumiko TakeiNozomi Hisajima (0 patent)Yumiko TakeiYumiko Takei (1 patent)Hiroaki OnoHiroaki Ono (126 patents)Kazuhiko AkimotoKazuhiko Akimoto (13 patents)Yuki TakedaYuki Takeda (10 patents)Fumio HoshinoFumio Hoshino (3 patents)Nozomi HisajimaNozomi Hisajima (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Photo Film Company, Limited (1 from 16,458 patents)

2. Jfe Steel Corporation (1,801 patents)


1 patent:

1. 5278950 - Image composing method

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as of
1/9/2026
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