Growing community of inventors

Saitama, Japan

Hiroaki Koyahara

Average Co-Inventor Count = 4.00

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 = 1

Hiroaki KoyaharaTakao Ono (1 patent)Hiroaki KoyaharaMitsuru Iwabuchi (1 patent)Hiroaki KoyaharaKenji Fujimori (1 patent)Hiroaki KoyaharaHiroaki Koyahara (1 patent)Takao OnoTakao Ono (4 patents)Mitsuru IwabuchiMitsuru Iwabuchi (1 patent)Kenji FujimoriKenji Fujimori (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tamurakaken Corporation (1 from 6 patents)


1 patent:

1. 6726780 - Lead-free solder, and paste solder composition

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