Growing community of inventors

Saitama, Japan

Osamu Chiyoda

Average Co-Inventor Count = 9.00

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 = 46

Osamu Chiyoda ↔ Takashi Fujikawa (1 patent)Osamu Chiyoda ↔ Kazushi Usui (1 patent)Osamu Chiyoda ↔ Hatsutaro Yamazaki (1 patent)Osamu Chiyoda ↔ Katsuyoshi Ohki (1 patent)Osamu Chiyoda ↔ Kazuo Idei (1 patent)Osamu Chiyoda ↔ Etsuo Suzuki (1 patent)Osamu Chiyoda ↔ Mitsugu Yumoto (1 patent)Osamu Chiyoda ↔ Shunji Kitada (1 patent)Osamu ChiyodaOsamu Chiyoda (1 patent)Takashi FujikawaTakashi Fujikawa (15 patents)Kazushi UsuiKazushi Usui (14 patents)Hatsutaro YamazakiHatsutaro Yamazaki (7 patents)Katsuyoshi OhkiKatsuyoshi Ohki (5 patents)Kazuo IdeiKazuo Idei (2 patents)Etsuo SuzukiEtsuo Suzuki (1 patent)Mitsugu YumotoMitsugu Yumoto (1 patent)Shunji KitadaShunji Kitada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cosmo Oil Co., Ltd. (1 from 163 patents)

2. Petpoleum Energy Center (1 from 1 patent)


1 patent:

1. 6063265 - Process for producing hydrodesulfurization catalyst and

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12/8/2025
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