Growing community of inventors

Iwatsuki, Japan

Masayoshi Umeda

Average Co-Inventor Count = 1.29

ph-index = 8

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 = 200

Masayoshi UmedaHiroshi Abe (13 patents)Masayoshi UmedaMinoru Enomoto (5 patents)Masayoshi UmedaYasuo Irie (1 patent)Masayoshi UmedaHiroshi Otomo (1 patent)Masayoshi UmedaMasayoshi Umeda (41 patents)Hiroshi AbeHiroshi Abe (77 patents)Minoru EnomotoMinoru Enomoto (25 patents)Yasuo IrieYasuo Irie (8 patents)Hiroshi OtomoHiroshi Otomo (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asahi Seiko Company Ltd. (19 from 124 patents)

2. Asahi Seiko Kabushiki Kaisha (19 from 110 patents)

3. Asahi Kasei Kabushiki Kaisha (1 from 945 patents)

4. Asaji Seiko Co., Ltd. (1 from 1 patent)

5. Ashai Seiko Kabushiki Kaisha (1 from 1 patent)


41 patents:

1. D1091685 - Apparatus for depositing and dispensing coin

2. 12118844 - Coin receiving and dispensing device, coin lifting device, and coin lifting device of coin receiving and dispensing device

3. 12118845 - Disk feeding device

4. 11527123 - Coin delivery device and coin processing device

5. D915503 - Coin depositing and dispensing apparatus

6. 10896566 - Coin recycle device

7. 10540837 - Coin processing apparatus and coin depositing/dispensing machine

8. D844048 - Coin depositing and dispensing apparatus

9. D844045 - Coin depositing and dispensing apparatus

10. D767239 - Coin depositing and dispensing apparatus

11. 9202325 - Coin dispensing apparatus

12. 9064361 - Coin dispensing apparatus

13. D724813 - Coin inserting and receiving machine

14. 8960413 - Article conveyer belt and coin sorting device

15. 8776993 - Article conveyer belt and coin sorting device

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1/9/2026
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