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Hamamatsu, Japan

Kazuhito Nakajima

Average Co-Inventor Count = 1.36

ph-index = 9

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 = 247

Kazuhito Nakajima ↔ Donald H Eason (3 patents)Kazuhito Nakajima ↔ Yoshiki Nishitani (1 patent)Kazuhito Nakajima ↔ Kenichi Miyazawa (1 patent)Kazuhito Nakajima ↔ Katsuhiko Masuda (1 patent)Kazuhito Nakajima ↔ Sekinori Funakawa (1 patent)Kazuhito Nakajima ↔ Hiroyoshi Naitoh (1 patent)Kazuhito Nakajima ↔ Takashi Akiyama (1 patent)Kazuhito NakajimaKazuhito Nakajima (13 patents)Donald H EasonDonald H Eason (31 patents)Yoshiki NishitaniYoshiki Nishitani (25 patents)Kenichi MiyazawaKenichi Miyazawa (16 patents)Katsuhiko MasudaKatsuhiko Masuda (6 patents)Sekinori FunakawaSekinori Funakawa (1 patent)Hiroyoshi NaitohHiroyoshi Naitoh (1 patent)Takashi AkiyamaTakashi Akiyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yamaha Corporation (12 from 5,452 patents)

2. Swift Distribution, Inc. (3 from 22 patents)


13 patents:

1. D613092 - Drum rack

2. D590010 - Marimba

3. D580262 - Percussion instrument support arm clamp

4. D576870 - Drum rack member clamp

5. D508478 - Amplifier for electric guitar

6. 6919503 - Musical tone generation control system, musical tone generation control method, and program for implementing the method

7. D506918 - Fixing bracket for drum head

8. D496813 - Seat for stool

9. D488078 - Electronic metronome

10. D486816 - Audio signal amplifier

11. D482518 - Case for musical instrument

12. D478611 - Electric guitar

13. D382006 - Electronic piano

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