Growing community of inventors

Nishitokyo, Japan

Masanori Katayama

Average Co-Inventor Count = 3.00

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

Masanori Katayama ↔ Kazuo Sakamoto (1 patent)Masanori Katayama ↔ Shin-ichi Sakamaki (1 patent)Masanori Katayama ↔ Shin-Ichi Sakamaki (0 patent)Masanori KatayamaMasanori Katayama (1 patent)Kazuo SakamotoKazuo Sakamoto (5 patents)Shin-ichi SakamakiShin-ichi Sakamaki (2 patents)Shin-Ichi SakamakiShin-Ichi Sakamaki (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Citizen Holdings Company, Ltd. (1 from 450 patents)


1 patent:

1. 7821877 - Pointer indication type timepiece

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12/5/2025
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