Growing community of inventors

Aichi, Japan

Shigeyuki Shibata

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 = 1

Shigeyuki Shibata ↔ Hiroki Kourai (1 patent)Shigeyuki Shibata ↔ Katsuyoshi Harada (1 patent)Shigeyuki Shibata ↔ Shuji Mizokami (10 patents)Shigeyuki Shibata ↔ Masayoshi Kume (1 patent)Shigeyuki Shibata ↔ Tetsugo Fukuda (1 patent)Shigeyuki Shibata ↔ Munehiko Hinatsu (1 patent)Shigeyuki Shibata ↔ Kazuyoshi Harumi (1 patent)Shigeyuki Shibata ↔ Tsuyoshi Ishiguro (0 patent)Shigeyuki Shibata ↔ Kazutoshi Arai (0 patent)Shigeyuki Shibata ↔ Masaki Adachi (0 patent)Shigeyuki Shibata ↔ Satoshi Keirinboh (0 patent)Shigeyuki Shibata ↔ Keishi Kuwada (0 patent)Shigeyuki Shibata ↔ Kazuyuki Ebira (0 patent)Shigeyuki Shibata ↔ Yukito Higaki (0 patent)Shigeyuki Shibata ↔ Kazuaki Matsuo (0 patent)Shigeyuki Shibata ↔ Jiangang Shi (0 patent)Shigeyuki Shibata ↔ Hiroyuki Murata (0 patent)Shigeyuki Shibata ↔ Hideki Kawashima (0 patent)Shigeyuki ShibataShigeyuki Shibata (1 patent)Hiroki KouraiHiroki Kourai (13 patents)Katsuyoshi HaradaKatsuyoshi Harada (10 patents)Shuji MizokamiShuji Mizokami (10 patents)Masayoshi KumeMasayoshi Kume (3 patents)Tetsugo FukudaTetsugo Fukuda (1 patent)Munehiko HinatsuMunehiko Hinatsu (1 patent)Kazuyoshi HarumiKazuyoshi Harumi (1 patent)Tsuyoshi IshiguroTsuyoshi Ishiguro (0 patent)Kazutoshi AraiKazutoshi Arai (0 patent)Masaki AdachiMasaki Adachi (0 patent)Satoshi KeirinbohSatoshi Keirinboh (0 patent)Keishi KuwadaKeishi Kuwada (0 patent)Kazuyuki EbiraKazuyuki Ebira (0 patent)Yukito HigakiYukito Higaki (0 patent)Kazuaki MatsuoKazuaki Matsuo (0 patent)Jiangang ShiJiangang Shi (0 patent)Hiroyuki MurataHiroyuki Murata (0 patent)Hideki KawashimaHideki Kawashima (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toagosei Company, Ltd. (1 from 273 patents)

2. Mitsubishi Heavy Industries Limited (4,626 patents)

3. Kawasaki Jukogyo Kabushiki Kaisha (3,325 patents)

4. Mitsui Engineering and Shipbuilding Company Limited (244 patents)

5. Nippon Yusen Kabushiki Kaisha (15 patents)

6. National Institute of Maritime, Port and Aviation Technology (9 patents)

7. Japan Marine United Corporation (8 patents)

8. Tsuneishi Shipbuilding Co., Ltd. (5 patents)

9. Oshima Shipbuilding Co., Ltd. (1 patent)

10. Imabari Shipbuilding Co., Ltd. (0 patent)

11. Sumitomo Heavy Industries Marine & Engineering Co., Ltd. (0 patent)


1 patent:

1. 6664224 - Quaternary ammonium salt and process for the preparation thereof

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12/16/2025
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