Growing community of inventors

Nagoya, Japan

Koichi Hayashi

Average Co-Inventor Count = 2.33

ph-index = 3

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 = 34

Koichi HayashiYuya Futamura (9 patents)Koichi HayashiYukio Takahashi (9 patents)Koichi HayashiNaoyuki Maruyama (9 patents)Koichi HayashiNaoya Ozawa (9 patents)Koichi HayashiHiroki Tanaka (8 patents)Koichi HayashiHiroshi Nishikawa (3 patents)Koichi HayashiYasutada Aoyama (3 patents)Koichi HayashiNorio Chaya (3 patents)Koichi HayashiHiroyuki Takada (3 patents)Koichi HayashiKentaro Ushiyama (1 patent)Koichi HayashiYasuhiro Funahashi (1 patent)Koichi HayashiHideki Matsuo (1 patent)Koichi HayashiTomohiro Inagaki (1 patent)Koichi HayashiHiroki Tsunoda (1 patent)Koichi HayashiOsamu Nishimura (1 patent)Koichi HayashiMasashi Takeichi (1 patent)Koichi HayashiYuki Narita (1 patent)Koichi HayashiMasaki Hase (1 patent)Koichi HayashiMasaki Hase (0 patent)Koichi HayashiKoichi Hayashi (20 patents)Yuya FutamuraYuya Futamura (16 patents)Yukio TakahashiYukio Takahashi (16 patents)Naoyuki MaruyamaNaoyuki Maruyama (9 patents)Naoya OzawaNaoya Ozawa (9 patents)Hiroki TanakaHiroki Tanaka (18 patents)Hiroshi NishikawaHiroshi Nishikawa (12 patents)Yasutada AoyamaYasutada Aoyama (5 patents)Norio ChayaNorio Chaya (4 patents)Hiroyuki TakadaHiroyuki Takada (3 patents)Kentaro UshiyamaKentaro Ushiyama (34 patents)Yasuhiro FunahashiYasuhiro Funahashi (18 patents)Hideki MatsuoHideki Matsuo (14 patents)Tomohiro InagakiTomohiro Inagaki (8 patents)Hiroki TsunodaHiroki Tsunoda (8 patents)Osamu NishimuraOsamu Nishimura (6 patents)Masashi TakeichiMasashi Takeichi (2 patents)Yuki NaritaYuki Narita (1 patent)Masaki HaseMasaki Hase (1 patent)Masaki HaseMasaki Hase (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Brother Kogyo Kabushiki-Kaisha (11 from 17,600 patents)

2. Central Japan Railway Company (9 from 118 patents)

3. Nippon Sharyo, Ltd. (7 from 51 patents)

4. Xing Inc. (2 from 26 patents)

5. Nippon Sharyo Co. Ltd. (2 from 4 patents)


20 patents:

1. 12112081 - Information processing apparatus and printing authority management system

2. 11943685 - Server system

3. 11726727 - Server and computer program for server

4. 11190650 - Management apparatus that estimates load of the management apparatus

5. D869335 - Passenger carrying car

6. D860049 - Passenger carrying car

7. 9751538 - Sound absorbing panel

8. D757605 - Passenger carrying car

9. D756843 - Passenger carrying car

10. 8738685 - Content distributed-storage system, frame image obtaining method, node device, and recording medium on which node processing program is recorded

11. D701818 - Sound absorbing portions of passenger carrying car

12. D701817 - Sound absorbing portions of passenger carrying car

13. D701482 - Sound absorbing portions of passenger carrying car

14. D701483 - Sound absorbing portions of passenger carrying car

15. 8336075 - Information distribution system, program-for-management-apparatus recording medium, and program-for-information-processor recording medium

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1/5/2026
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