Growing community of inventors

Tokoname, Japan

Takayuki Shirai

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 = 22

Takayuki Shirai ↔ Shozo Harada (1 patent)Takayuki Shirai ↔ Tetsuya Koide (1 patent)Takayuki Shirai ↔ Kazuo Ito (1 patent)Takayuki ShiraiTakayuki Shirai (1 patent)Shozo HaradaShozo Harada (4 patents)Tetsuya KoideTetsuya Koide (3 patents)Kazuo ItoKazuo Ito (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ina Seito Co., Ltd. (1 from 6 patents)


1 patent:

1. 4407769 - Method of manufacturing cement products having superior mechanical

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12/19/2025
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