Growing community of inventors

Amagasaki, Japan

Takashi Umemoto

Average Co-Inventor Count = 4.00

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 = 26

Takashi Umemoto ↔ Shigeru Suzuki (1 patent)Takashi Umemoto ↔ Masanao Tajiri (1 patent)Takashi Umemoto ↔ Rie Harunaga (1 patent)Takashi UmemotoTakashi Umemoto (1 patent)Shigeru SuzukiShigeru Suzuki (37 patents)Masanao TajiriMasanao Tajiri (5 patents)Rie HarunagaRie Harunaga (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oji Paper Co., Ltd. (1 from 229 patents)


1 patent:

1. 6680281 - Heat-sensitive recording material

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as of
12/11/2025
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