Inventor
Yoshihiro Shona
Inventor
Tokyo, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Qprimary
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes21%
G07FCoin-freed or like apparatus21%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems16%
G06KGraphical data reading11%
G11CStatic stores11%
H03KPulse technique11%
H04LTransmission of digital information, e.g. telegraphic communication11%
PatentTitleYear
7,526,601'Data rewriting method for flash memory using partial erases'20097,093,063'Data rewriting for flash memory'20067,079,573'Apparatus and method for receiving and transmitting serial data'20066,614,672'Voltage generator'20036,314,155'Counting circuit with rewritable non-volatile memory, and counting method'20016,299,069'Integrated circuit for embedding in smart cards, and method of issuing smart cards'20016,272,031'Voltage generator'20016,104,625'Voltage generator'20006,018,581'Communication system and communication method'20006,003,768'Call-unit count device'19995,799,085'Method of effecting mutual authentication'19985,790,885'Method for controlling IC card reader/writer to transmit same character frame upon receiving echo back character indicating an error exists in received character frame'19985,592,619'High-security IC card'19975,442,165'Secure IC card system with reusable prototype IC card'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2006Patents assigned to OKI ELECTRIC IND CO LTD (13)· patent assignee history
1995–2009Based in Tokyo, JP· patent location history
2000Patents assigned to CASIO COMPUTER CO LTD (1)· patent assignee history
2009Patents assigned to OKI SEMICONDUCTOR CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OKI ELECTRIC IND CO LTD | 13 | 1995–2006 |
| CASIO COMPUTER CO LTD | 1 | 2000 |
| OKI SEMICONDUCTOR CO LTD | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 14 | 1995–2009 |