Growing community of inventors

Nara, Japan

Hachizou Yamamoto

Average Co-Inventor Count = 2.40

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 = 220

Hachizou YamamotoHiroshi Nakatani (10 patents)Hachizou YamamotoKatsuji Nishimura (6 patents)Hachizou YamamotoMasahide Ishida (5 patents)Hachizou YamamotoKoichi Horigome (3 patents)Hachizou YamamotoSeizo Okada (3 patents)Hachizou YamamotoAkira Mitarai (1 patent)Hachizou YamamotoKumehiko Matsuda (1 patent)Hachizou YamamotoKenji Iwagami (1 patent)Hachizou YamamotoHachizou Yamamoto (19 patents)Hiroshi NakataniHiroshi Nakatani (27 patents)Katsuji NishimuraKatsuji Nishimura (9 patents)Masahide IshidaMasahide Ishida (5 patents)Koichi HorigomeKoichi Horigome (3 patents)Seizo OkadaSeizo Okada (3 patents)Akira MitaraiAkira Mitarai (5 patents)Kumehiko MatsudaKumehiko Matsuda (3 patents)Kenji IwagamiKenji Iwagami (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sharp Kabushiki Kaisha Corporation (19 from 25,543 patents)


19 patents:

1. 4879548 - Flat keyboard arrangement

2. 4611286 - Cash accounting system

3. 4538057 - Cash accounting system

4. 4532417 - Cash accounting system

5. 4524267 - Cash accounting system having data compiling capability

6. 4511891 - Money information print control system

7. 4509136 - Teller machine with preset abilities

8. 4485441 - Clerk share calculation in an electronic cash register

9. 4458317 - Teller machine having an alterable secondary memory

10. 4450526 - Money preset in an electronic cash register

11. 4435767 - Error alarm system for detecting an abnormal condition in a peripheral

12. 4430713 - PLU-Code controlled electronic cash register

13. 4425619 - Selective read out of one hour transaction data in an electronic cash

14. 4408292 - Data print control in an electronic cash register

15. 4399508 - Cash checking read operation in an electronic cash register

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as of
12/19/2025
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