Growing community of inventors

Machida, Japan

Hirofumi Sugane

Average Co-Inventor Count = 3.56

ph-index = 3

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 = 10

Hirofumi SuganeKazuyoshi Matsumoto (1 patent)Hirofumi SuganeTsuyoshi Abe (1 patent)Hirofumi SuganeTomoaki Arai (1 patent)Hirofumi SuganeSakae Ishikawa (1 patent)Hirofumi SuganeSatoshi Ishihara (1 patent)Hirofumi SuganeJunichi Murano (1 patent)Hirofumi SuganeGakushi Tanaka (1 patent)Hirofumi SuganeMoku Naruishi (1 patent)Hirofumi SuganeHideyuki Goda (1 patent)Hirofumi SuganeYuki Satoh (1 patent)Hirofumi SuganeToshiyuki Mae (1 patent)Hirofumi SuganeHirofumi Sugane (3 patents)Kazuyoshi MatsumotoKazuyoshi Matsumoto (42 patents)Tsuyoshi AbeTsuyoshi Abe (30 patents)Tomoaki AraiTomoaki Arai (23 patents)Sakae IshikawaSakae Ishikawa (18 patents)Satoshi IshiharaSatoshi Ishihara (18 patents)Junichi MuranoJunichi Murano (17 patents)Gakushi TanakaGakushi Tanaka (12 patents)Moku NaruishiMoku Naruishi (11 patents)Hideyuki GodaHideyuki Goda (8 patents)Yuki SatohYuki Satoh (3 patents)Toshiyuki MaeToshiyuki Mae (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (3 from 28,584 patents)


3 patents:

1. 8157093 - Packing unit

2. 7813669 - Image forming apparatus

3. 7511238 - Switch actuation device, interlock mechanism, and image forming apparatus

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1/9/2026
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