Growing community of inventors

Ube, Japan

Masashi Shirai

Average Co-Inventor Count = 3.78

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 = 7

Masashi ShiraiToshio Furuya (4 patents)Masashi ShiraiKatsumasa Harada (3 patents)Masashi ShiraiKoji Shiba (3 patents)Masashi ShiraiHiroshi Nihei (3 patents)Masashi ShiraiRyoji Sugise (2 patents)Masashi ShiraiToshihiro Shimakawa (2 patents)Masashi ShiraiKouichi Kashiwagi (2 patents)Masashi ShiraiShinichiro Sadaike (2 patents)Masashi ShiraiSoyoung Lee (1 patent)Masashi ShiraiShigeyoshi Nishino (1 patent)Masashi ShiraiHidetaka Shima (1 patent)Masashi ShiraiYounjoung Cho (1 patent)Masashi ShiraiAkira Shimizu (1 patent)Masashi ShiraiNobuyuki Kuroda (1 patent)Masashi ShiraiJaesoon Lim (1 patent)Masashi ShiraiTakahiro Miyahara (1 patent)Masashi ShiraiYoshihiro Yoshida (1 patent)Masashi ShiraiChihiro Hasegawa (1 patent)Masashi ShiraiOsamu Fujimura (1 patent)Masashi ShiraiTakafumi Iwasa (1 patent)Masashi ShiraiYoshihisa Kakuta (1 patent)Masashi ShiraiKazuaki Kakita (1 patent)Masashi ShiraiHiroki Kanato (1 patent)Masashi ShiraiMasashi Shirai (12 patents)Toshio FuruyaToshio Furuya (4 patents)Katsumasa HaradaKatsumasa Harada (40 patents)Koji ShibaKoji Shiba (10 patents)Hiroshi NiheiHiroshi Nihei (4 patents)Ryoji SugiseRyoji Sugise (25 patents)Toshihiro ShimakawaToshihiro Shimakawa (6 patents)Kouichi KashiwagiKouichi Kashiwagi (5 patents)Shinichiro SadaikeShinichiro Sadaike (2 patents)Soyoung LeeSoyoung Lee (150 patents)Shigeyoshi NishinoShigeyoshi Nishino (29 patents)Hidetaka ShimaHidetaka Shima (21 patents)Younjoung ChoYounjoung Cho (19 patents)Akira ShimizuAkira Shimizu (14 patents)Nobuyuki KurodaNobuyuki Kuroda (14 patents)Jaesoon LimJaesoon Lim (12 patents)Takahiro MiyaharaTakahiro Miyahara (12 patents)Yoshihiro YoshidaYoshihiro Yoshida (6 patents)Chihiro HasegawaChihiro Hasegawa (5 patents)Osamu FujimuraOsamu Fujimura (5 patents)Takafumi IwasaTakafumi Iwasa (4 patents)Yoshihisa KakutaYoshihisa Kakuta (4 patents)Kazuaki KakitaKazuaki Kakita (4 patents)Hiroki KanatoHiroki Kanato (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ube Industries, Inc. (11 from 1,432 patents)

2. Samsung Electronics Co., Ltd. (1 from 131,214 patents)

3. Tokyo Electron Limited (1 from 10,295 patents)


12 patents:

1. 12398166 - Method of selectively forming cobalt metal layer by using cobalt compound, and method of fabricating semiconductor device by using cobalt compound

2. 9390907 - Film forming method of SiCN film

3. 9194041 - Tris(dialkylamide)aluminum compound, and method for producing aluminum-containing thin film using same

4. 8871304 - (Amide amino alkane) metal compound, method of manufacturing metal-containing thin film using said metal compound

5. 8633380 - Photoelectric conversion element comprising binuclear ruthenium complex dye having a substituted bipyridyl group, and photochemical cell

6. 7173148 - Process for producing 1-acetoxy-3-(substituted phenyl)propene compound

7. 6686482 - Process for preparing piperonal

8. 6603024 - Process for the preparation of 3,4-methylenedioxymandelic acid

9. 6573397 - Process for producing 3,4-dihydroxybenzonitrile

10. 5696301 - Process for preparing protocatechualdehyde

11. 5466858 - Method of producing straight-chain acrylonitrile dimers

12. 5332844 - Method of producing straight-chain acrylonitrile dimers

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