Growing community of inventors

Hiroshima, Japan

Takashi Fujii, Deceased

Average Co-Inventor Count = 6.00

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 = 4

Takashi Fujii, Deceased ↔ Yasuhiko Fujii (2 patents)Takashi Fujii, Deceased ↔ Kazumi Yamamoto (2 patents)Takashi Fujii, Deceased ↔ Tetsuro Toda (2 patents)Takashi Fujii, Deceased ↔ Atsunori Kishimoto (2 patents)Takashi Fujii, Deceased ↔ Kazutaka Ohshita (2 patents)Takashi Fujii, DeceasedTakashi Fujii, Deceased (2 patents)Yasuhiko FujiiYasuhiko Fujii (30 patents)Kazumi YamamotoKazumi Yamamoto (12 patents)Tetsuro TodaTetsuro Toda (9 patents)Atsunori KishimotoAtsunori Kishimoto (3 patents)Kazutaka OhshitaKazutaka Ohshita (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toda Kogyo Corporation (2 from 386 patents)

2. Hirotani Co., Ltd. (2 from 4 patents)


2 patents:

1. 5569695 - Self-fusion type damping material

2. 5350793 - Damping material

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12/11/2025
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