Growing community of inventors

Hamamatsu, Japan

Hiroyuki Fujita

Average Co-Inventor Count = 1.52

ph-index = 4

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 = 112

Hiroyuki FujitaYouji Semba (1 patent)Hiroyuki FujitaAkira Tsunoda (1 patent)Hiroyuki FujitaKazumasu Tsutsumi (1 patent)Hiroyuki FujitaHajime Asahira (1 patent)Hiroyuki FujitaKazuhiro Iwashita (1 patent)Hiroyuki FujitaHidehiro Tomoda (1 patent)Hiroyuki FujitaTomoaki Makino (1 patent)Hiroyuki FujitaHiroyuki Fujita (8 patents)Youji SembaYouji Semba (13 patents)Akira TsunodaAkira Tsunoda (8 patents)Kazumasu TsutsumiKazumasu Tsutsumi (6 patents)Hajime AsahiraHajime Asahira (2 patents)Kazuhiro IwashitaKazuhiro Iwashita (2 patents)Hidehiro TomodaHidehiro Tomoda (1 patent)Tomoaki MakinoTomoaki Makino (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yamaha Corporation (7 from 5,451 patents)

2. Asmo Co., Ltd. (1 from 800 patents)


8 patents:

1. 10028015 - Signal processing apparatus and signal processing method

2. 9774978 - Position determination apparatus, audio apparatus, position determination method, and program

3. 8620133 - Audio amplifier

4. 7542654 - Video playback control apparatus, content playback control apparatus, and method of supplying commercial information

5. 6831657 - Display control apparatus for displaying gain setting value in predetermined color hue

6. 5885085 - Drive-in interactive system

7. 5827990 - Karaoke apparatus applying effect sound to background video

8. 5708406 - Rotary actuator

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as of
12/19/2025
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