Growing community of inventors

Ibaraki, Japan

Shin-ichi Kajiyama

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 = 85

Shin-ichi Kajiyama ↔ Takeshi Kato (1 patent)Shin-ichi Kajiyama ↔ Tatsuo Teraoka (1 patent)Shin-ichi Kajiyama ↔ Kazuya Murakami (1 patent)Shin-ichi KajiyamaShin-ichi Kajiyama (1 patent)Takeshi KatoTakeshi Kato (71 patents)Tatsuo TeraokaTatsuo Teraoka (10 patents)Kazuya MurakamiKazuya Murakami (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,488 patents)

2. Hitachi Cable, Inc. (1 from 836 patents)


1 patent:

1. 5519799 - Optical fiber array structure

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as of
12/12/2025
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