Growing community of inventors

Ibaraki, Japan

Hiroo Hayashi

Average Co-Inventor Count = 3.75

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 = 18

Hiroo HayashiHisashi Tani (2 patents)Hiroo HayashiHisao Ochiai (1 patent)Hiroo HayashiMitsuo Tsuruoka (1 patent)Hiroo HayashiYoshihisa Syoda (1 patent)Hiroo HayashiToshio Iwasaki (1 patent)Hiroo HayashiHiroo Hayashi (2 patents)Hisashi TaniHisashi Tani (4 patents)Hisao OchiaiHisao Ochiai (6 patents)Mitsuo TsuruokaMitsuo Tsuruoka (1 patent)Yoshihisa SyodaYoshihisa Syoda (1 patent)Toshio IwasakiToshio Iwasaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oji-Yuka Synthetic Paper Co., Ltd. (2 from 26 patents)


2 patents:

1. 6592971 - Image-receiving film for printing and heat transfer

2. 6562451 - Coated film

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as of
1/8/2026
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