Growing community of inventors

Hitachi, Japan

Seikich Tanno

Average Co-Inventor Count = 5.00

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

Seikich Tanno ↔ Yoshitaka Takezawa (1 patent)Seikich Tanno ↔ Shuichi Ohara (1 patent)Seikich Tanno ↔ Noriaki Taketani (1 patent)Seikich Tanno ↔ Masato Shimura (1 patent)Seikich TannoSeikich Tanno (1 patent)Yoshitaka TakezawaYoshitaka Takezawa (46 patents)Shuichi OharaShuichi Ohara (13 patents)Noriaki TaketaniNoriaki Taketani (11 patents)Masato ShimuraMasato Shimura (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,508 patents)


1 patent:

1. 5093888 - Optical transmitting system, optical members and polymer for same, and

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