Growing community of inventors

Sodegaura, Japan

Hiroshi Ichikawa

Average Co-Inventor Count = 3.45

ph-index = 4

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 = 32

Hiroshi IchikawaHiroshi Hayashi (3 patents)Hiroshi IchikawaHaruhito Sato (3 patents)Hiroshi IchikawaKonomu Kurisaki (3 patents)Hiroshi IchikawaMichio Sugimoto (1 patent)Hiroshi IchikawaKosaku Honna (1 patent)Hiroshi IchikawaHirozo Sugahara (1 patent)Hiroshi IchikawaShigeyoshi Mizokami (1 patent)Hiroshi IchikawaHirotsugu Kuwayama (1 patent)Hiroshi IchikawaHiroshi Ichikawa (5 patents)Hiroshi HayashiHiroshi Hayashi (57 patents)Haruhito SatoHaruhito Sato (27 patents)Konomu KurisakiKonomu Kurisaki (5 patents)Michio SugimotoMichio Sugimoto (11 patents)Kosaku HonnaKosaku Honna (8 patents)Hirozo SugaharaHirozo Sugahara (4 patents)Shigeyoshi MizokamiShigeyoshi Mizokami (1 patent)Hirotsugu KuwayamaHirotsugu Kuwayama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Idemitsu Kosan Company, Limited (5 from 2,269 patents)

2. Meisei Chemical Works Co., Ltd. (1 from 1 patent)


5 patents:

1. 4405467 - Sublimable compositions and process for producing moldings

2. 4382111 - Method of treating fiber

3. 4301043 - Sublimable perfume compositions

4. 4233161 - Sublimable composition

5. 4073818 - Process of producing acenaphthenes

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as of
12/9/2025
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