Growing community of inventors

Tokyo, Japan

Hirofumi Usui

Average Co-Inventor Count = 2.28

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 = 635

Hirofumi UsuiNaomasa Takahashi (5 patents)Hirofumi UsuiPeter Shintani (4 patents)Hirofumi UsuiKenichiro Toyoshima (4 patents)Hirofumi UsuiKunio Hakamada (1 patent)Hirofumi UsuiMasanobu Matsuoka (1 patent)Hirofumi UsuiHirofumi Usui (11 patents)Naomasa TakahashiNaomasa Takahashi (40 patents)Peter ShintaniPeter Shintani (15 patents)Kenichiro ToyoshimaKenichiro Toyoshima (4 patents)Kunio HakamadaKunio Hakamada (13 patents)Masanobu MatsuokaMasanobu Matsuoka (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (10 from 58,131 patents)

2. Other (1 from 832,880 patents)


11 patents:

1. 6305018 - Electronic content guide system and electronic content guide displaying method

2. 6075570 - Electronic program guide system and electronic guide displaying method

3. 6037998 - Electronic program guide system and electronic program guide displaying

4. 6011526 - Display apparatus operable in synchronism with a movement of the body of

5. 5978039 - Image control method and image control apparatus capable of compensating

6. 5808694 - Electronic program guide system and electronic program guide displaying

7. 5678217 - Video signal switching device with descrambler output and input terminals

8. 5652628 - Method and apparatus for displaying broadcast signals and station

9. 5512955 - TV receiver for receiving a broadcast signal and station information

10. 5477275 - Video signal receiving system with signal source switching based on

11. 4870492 - Television receiver having automatically programmable skip channel list

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