Growing community of inventors

Tokyo, Japan

Hisashi Hanzawa

Average Co-Inventor Count = 1.86

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 = 52

Hisashi HanzawaHong-Seok Yang (2 patents)Hisashi HanzawaKunio Shimizu (1 patent)Hisashi HanzawaNoriyuki Koga (1 patent)Hisashi HanzawaYasuhiro Yamaguchi (1 patent)Hisashi HanzawaToshimasa Tozune (1 patent)Hisashi HanzawaTakumi Fulukawa (1 patent)Hisashi HanzawaKoga Noriyuki (1 patent)Hisashi HanzawaKozi Yoshino (1 patent)Hisashi HanzawaHisashi Hanzawa (9 patents)Hong-Seok YangHong-Seok Yang (2 patents)Kunio ShimizuKunio Shimizu (25 patents)Noriyuki KogaNoriyuki Koga (17 patents)Yasuhiro YamaguchiYasuhiro Yamaguchi (5 patents)Toshimasa TozuneToshimasa Tozune (5 patents)Takumi FulukawaTakumi Fulukawa (1 patent)Koga NoriyukiKoga Noriyuki (1 patent)Kozi YoshinoKozi Yoshino (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (9 from 58,132 patents)


9 patents:

1. 6592041 - Transfer apparatus and recording and/or reproduction method and transfer method and recording and/or reproduction method

2. 5953182 - Head moving and holding mechanism for reversible tape recorder

3. 5943182 - Magnetic recording and/or playback apparatus with reduced drive belt

4. 5764433 - Short-side-loading tape cassette recording and/or reproducing apparatus

5. 5621589 - Recording and/or reproducing apparatus

6. 5414573 - Cassette accommodating type electronic device having a plurality of

7. 4225894 - Mode change-over mechanism for recording and/or reproducing apparatus

8. 4178809 - Mode change-over device for recording and/or reproducing apparatus

9. 4147898 - Recording and/or reproducing apparatus mode control system

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/8/2026
Loading…