Growing community of inventors

Hamamatsu, Japan

Kunihiko Watanabe

Average Co-Inventor Count = 3.15

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 = 134

Kunihiko WatanabeHideo Suzuki (3 patents)Kunihiko WatanabeAkira Nakada (3 patents)Kunihiko WatanabeTeruo Hiyoshi (3 patents)Kunihiko WatanabeNaoyuki Niinomi (3 patents)Kunihiko WatanabeEiichiro Aoki (2 patents)Kunihiko WatanabeMasao Sakama (2 patents)Kunihiko WatanabeMamoru Kinpara (2 patents)Kunihiko WatanabeShinichi Ito (1 patent)Kunihiko WatanabeShigehiko Mizuno (1 patent)Kunihiko WatanabeShinji Kumano (1 patent)Kunihiko WatanabeYutaka Tohgi (1 patent)Kunihiko WatanabeHiroyuki Ohba (1 patent)Kunihiko WatanabeYoshinori Iwakami (1 patent)Kunihiko WatanabeKunihiko Watanabe (8 patents)Hideo SuzukiHideo Suzuki (126 patents)Akira NakadaAkira Nakada (64 patents)Teruo HiyoshiTeruo Hiyoshi (21 patents)Naoyuki NiinomiNaoyuki Niinomi (5 patents)Eiichiro AokiEiichiro Aoki (91 patents)Masao SakamaMasao Sakama (38 patents)Mamoru KinparaMamoru Kinpara (2 patents)Shinichi ItoShinichi Ito (30 patents)Shigehiko MizunoShigehiko Mizuno (22 patents)Shinji KumanoShinji Kumano (21 patents)Yutaka TohgiYutaka Tohgi (18 patents)Hiroyuki OhbaHiroyuki Ohba (3 patents)Yoshinori IwakamiYoshinori Iwakami (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yamaha Corporation (5 from 5,450 patents)

2. Nippon Gakki Seizo Kabushiki Kaisha (3 from 841 patents)


8 patents:

1. 5756917 - Automatic accompaniment device capable of selecting a desired

2. 5223655 - Electronic musical instrument generating chord data in response to

3. 5147969 - Musical tone control apparatus

4. 5125313 - Musical tone control apparatus

5. 5081896 - Musical tone generating apparatus

6. 4649786 - Electronic musical instrument

7. 4391176 - Electronic musical instrument with musical composition fashion selectors

8. 4356751 - Electronic musical instrument

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as of
12/6/2025
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