Inventor
Yoshimasa Yoshimura
Inventor
Tokyo, JP
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing34%
G11CStatic stores25%
G09GArrangements or circuits for control of indicating devices using static means to present variable information6%
H05KPrinted circuits6%
G01RMeasuring electric variables3%
G06KGraphical data reading3%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
G07FCoin-freed or like apparatus3%
H03KPulse technique3%
H03MCoding3%
PatentTitleYear
11,100,887Relay apparatus and display system20217,427,031'Semiconductor memory device'20087,000,846'Semiconductor memory device'20066,724,678'Nonvolatile semiconductor memory unit'20046,646,917'Storage device managing nonvolatile memory by converting logical address to physical address of nonvolatile memory'20036,546,517'Semiconductor memory'20036,477,547'Processing system comprised of data processing device and data access device each converting data and mutually communicating the converted data'20026,421,274'Semiconductor memory device and reading and writing method thereof'20026,266,279'Nonvolatile semiconductor memory device, method for reading data from the nonvolatile semiconductor memory device, and method for writing data into the nonvolatile semiconductor memory device'20016,126,071'IC memory card system for authenticating an IC memory card, and IC memory card used for the same'20005,958,079'Memory card with error correction scheme requiring reducing memory capacity'19995,950,013'Memory card with submemory'19995,933,854'Data security system for transmitting and receiving data between a memory card and a computer using a public key cryptosystem'19995,917,467'PC card system having video input-output functions'19995,848,076'Memory card with capability of error correction and error correction method therefore'19985,802,328'Apparatus for detecting correct insertion of a PC card in an information processing system'19985,650,974'Semiconductor memory device and power supply control IC for use with semiconductor memory device'19975,629,642'Power supply monitor'19975,502,682'Semiconductor integrated circuit for controlling power source'19965,394,300'Thin multilayered IC memory card'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2003Patents assigned to MITSUBISHI ELECTRIC CORP (15)· patent assignee history
1995–1999Based in Itami, JP· patent location history
1997–2008Based in Tokyo, JP· patent location history
2002–2003Based in Hyogo, JP· patent location history
2003–2008Patents assigned to RENESAS TECH CORP (3)· patent assignee history
2006–2008Patents assigned to RENESAS DEVICE DESIGN CORP (2)· patent assignee history
2021Patents assigned to SEIKO EPSON CORP (1)· patent assignee history
2021Based in Matsumoto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 15 | 1995–2003 |
| RENESAS TECH CORP | 3 | 2003–2008 |
| RENESAS DEVICE DESIGN CORP | 2 | 2006–2008 |
| SEIKO EPSON CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 14 | 1997–2008 |
| Itami, JP | 3 | 1995–1999 |
| Hyogo, JP | 2 | 2002–2003 |
| Matsumoto, JP | 1 | 2021 |