Growing community of inventors

Osaka, Japan

Kensuke Matsunaga

Average Co-Inventor Count = 3.00

ph-index = 6

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 = 295

Kensuke MatsunagaYoshiaki Uemizo (6 patents)Kensuke MatsunagaHikaru Izawa (5 patents)Kensuke MatsunagaMasahiro Motohara (1 patent)Kensuke MatsunagaTakeshi Mitsuma (1 patent)Kensuke MatsunagaKazuhiro Hamaguchi (1 patent)Kensuke MatsunagaKensuke Matsunaga (7 patents)Yoshiaki UemizoYoshiaki Uemizo (21 patents)Hikaru IzawaHikaru Izawa (13 patents)Masahiro MotoharaMasahiro Motohara (3 patents)Takeshi MitsumaTakeshi Mitsuma (3 patents)Kazuhiro HamaguchiKazuhiro Hamaguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Cash Machine Co., Ltd. (7 from 117 patents)


7 patents:

1. 6648761 - Method and apparatus for issuing coupons for a gaming machine

2. 6352175 - Note holding and dispensing device with cassette

3. 6325242 - Note holding and dispensing device with cassette

4. 6286716 - Note holding and dispensing device with cassette

5. 6105747 - Bill validator with a shutter unit

6. 6098837 - Note hopper/dispenser

7. 6019210 - Warming-up type bill validator

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as of
12/29/2025
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