Growing community of inventors

Kumagaya, Japan

Shouichi Shirakura

Average Co-Inventor Count = 9.00

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 = 2

Shouichi Shirakura ↔ Shigeo Suda (1 patent)Shouichi Shirakura ↔ Osamu Kodama (1 patent)Shouichi Shirakura ↔ Takumi Tanikawa (1 patent)Shouichi Shirakura ↔ Hideyuki Munakata (1 patent)Shouichi Shirakura ↔ Atsutoshi Kurotaki (1 patent)Shouichi Shirakura ↔ Tadao Suemitsu (1 patent)Shouichi Shirakura ↔ Masayuki Urashi (1 patent)Shouichi Shirakura ↔ Kimio Yanai (1 patent)Shouichi Shirakura ↔ Osamu Kodama (1 patent)Shouichi Shirakura ↔ Shigeo Suda (1 patent)Shouichi Shirakura ↔ Takumi Tanikawa (1 patent)Shouichi ShirakuraShouichi Shirakura (1 patent)Shigeo SudaShigeo Suda (4 patents)Osamu KodamaOsamu Kodama (4 patents)Takumi TanikawaTakumi Tanikawa (4 patents)Hideyuki MunakataHideyuki Munakata (4 patents)Atsutoshi KurotakiAtsutoshi Kurotaki (1 patent)Tadao SuemitsuTadao Suemitsu (1 patent)Masayuki UrashiMasayuki Urashi (1 patent)Kimio YanaiKimio Yanai (1 patent)Osamu KodamaOsamu Kodama (2 patents)Shigeo SudaShigeo Suda (2 patents)Takumi TanikawaTakumi Tanikawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Inax Corporation (1 from 111 patents)

2. Chichibu Cement Co., Ltd. (1 from 24 patents)

3. Ilb Co., Ltd. (1 from 4 patents)

4. Chiyoda Tech. & Ind. Co., Ltd. (1 from 1 patent)

5. Shigeo Suda (0 patent)

6. Shouichi Shirakura (0 patent)

7. Osamu Kodama (0 patent)

8. Atsutoshi Kurotaki (0 patent)

9. Takumi Tanikawa (0 patent)

10. Tadao Suemitsu (0 patent)

11. Masayuki Urashi (0 patent)

12. Hideyuki Munakata (0 patent)

13. Kimio Yanai (0 patent)


1 patent:

1. 5080750 - System for making composite blocks

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as of
12/15/2025
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