Growing community of inventors

Sagamihara, Japan

Toitsu Ohya

Average Co-Inventor Count = 3.09

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 = 202

Toitsu OhyaHikaru Izawa (3 patents)Toitsu OhyaMasanobu Fujita (3 patents)Toitsu OhyaKoji Kuroiwa (2 patents)Toitsu OhyaToru Seki (1 patent)Toitsu OhyaTaichi Sato (1 patent)Toitsu OhyaTokimi Nago (1 patent)Toitsu OhyaYasuhiko Masuda (1 patent)Toitsu OhyaToitsu Ohya (5 patents)Hikaru IzawaHikaru Izawa (13 patents)Masanobu FujitaMasanobu Fujita (5 patents)Koji KuroiwaKoji Kuroiwa (9 patents)Toru SekiToru Seki (19 patents)Taichi SatoTaichi Sato (9 patents)Tokimi NagoTokimi Nago (7 patents)Yasuhiko MasudaYasuhiko Masuda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Cash Machine Co., Ltd. (5 from 117 patents)


5 patents:

1. 6993758 - Method and apparatus for renewing software in a software-operated machine

2. 6874681 - Valuable paper distinguishable by a validator for discriminating bills

3. 6125195 - Bill validator of master-slave type and method for download of validator

4. 5615280 - Apparatus for recording symbols printed on documents or the like

5. 5420406 - Bill validator with bar code detector

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as of
12/29/2025
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