Growing community of inventors

Tokyo, Japan

Kazuhiro Kato

Average Co-Inventor Count = 2.45

ph-index = 5

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 = 75

Kazuhiro KatoTakeshi Yamagishi (5 patents)Kazuhiro KatoHiroshi Osawa (4 patents)Kazuhiro KatoYoshiaki Kumagai (4 patents)Kazuhiro KatoKozo Kawakita (4 patents)Kazuhiro KatoMasaki Nagatsuka (4 patents)Kazuhiro KatoShuichi Kobayashi (4 patents)Kazuhiro KatoHajime Sorayama (4 patents)Kazuhiro KatoKouichiro Takashima (3 patents)Kazuhiro KatoIsao Endo (3 patents)Kazuhiro KatoFujio Kobayashi (2 patents)Kazuhiro KatoHidenori Ishibashi (2 patents)Kazuhiro KatoTakao Yagi (2 patents)Kazuhiro KatoTomomasa Mizuno (2 patents)Kazuhiro KatoHiroshi Kubo (1 patent)Kazuhiro KatoKoji Endo (1 patent)Kazuhiro KatoTakayuki Ishii (1 patent)Kazuhiro KatoShigeki Yamazaki (1 patent)Kazuhiro KatoAtsushi Mitsunabe (1 patent)Kazuhiro KatoHideyuki Sekiguchi (1 patent)Kazuhiro KatoMikio Hirano (1 patent)Kazuhiro KatoYoshiya Kuwahara (1 patent)Kazuhiro KatoYasuji Ikari (1 patent)Kazuhiro KatoHisao Sakai (1 patent)Kazuhiro KatoKazuhiro Kato (19 patents)Takeshi YamagishiTakeshi Yamagishi (57 patents)Hiroshi OsawaHiroshi Osawa (49 patents)Yoshiaki KumagaiYoshiaki Kumagai (37 patents)Kozo KawakitaKozo Kawakita (16 patents)Masaki NagatsukaMasaki Nagatsuka (7 patents)Shuichi KobayashiShuichi Kobayashi (7 patents)Hajime SorayamaHajime Sorayama (6 patents)Kouichiro TakashimaKouichiro Takashima (36 patents)Isao EndoIsao Endo (8 patents)Fujio KobayashiFujio Kobayashi (34 patents)Hidenori IshibashiHidenori Ishibashi (24 patents)Takao YagiTakao Yagi (4 patents)Tomomasa MizunoTomomasa Mizuno (3 patents)Hiroshi KuboHiroshi Kubo (61 patents)Koji EndoKoji Endo (30 patents)Takayuki IshiiTakayuki Ishii (9 patents)Shigeki YamazakiShigeki Yamazaki (4 patents)Atsushi MitsunabeAtsushi Mitsunabe (3 patents)Hideyuki SekiguchiHideyuki Sekiguchi (2 patents)Mikio HiranoMikio Hirano (2 patents)Yoshiya KuwaharaYoshiya Kuwahara (1 patent)Yasuji IkariYasuji Ikari (1 patent)Hisao SakaiHisao Sakai (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sony Corporation (10 from 58,129 patents)

2. Riso Kagaku Corporation (4 from 1,074 patents)

3. Sony Mobile Communications Inc. (3 from 729 patents)

4. Sony Ericsson Mobile Communications Ab (1 from 1,101 patents)

5. Daicel Corporation (1 from 638 patents)

6. Sony Mobile Communications Ab (1 from 458 patents)

7. Sony Mobile Communications Japan, Inc. (1 from 42 patents)


19 patents:

1. 11958432 - Igniter holding structure

2. 10925798 - Movable apparatus, movable sheet, and method of manufacturing movable apparatus

3. 10070703 - Attachable and detachable structure and product including the same

4. 9799242 - Personal digital assistant apparatus

5. 9678533 - Personal digital assistant apparatus

6. 9639148 - Mobile information terminal

7. 8495957 - Image-forming machine having speed priority setting based on sheet traveling routes

8. 8311598 - Mobile terminal apparatus

9. 8200294 - Mobile terminal apparatus

10. 8145259 - Mobile terminal device

11. 6990899 - Stencil printing machine

12. 6458010 - Curving mechanism and robot

13. 6354588 - Discharged paper receiver unit

14. D452889 - Toy

15. D452542 - Toy

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12/10/2025
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