Inventor
Kiyotaka Izawa
Inventor
Higashimurayama, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC14primary
LOC1440%
H01HElectric switches30%
G06FElectric digital data processing10%
G10HElectrophonic musical instruments10%
LOC1810%
PatentTitleYear
11,004,628Key switch device202110,998,149Key switch202110,915,181Push button switch with operation unit latched to base2021D0450057'Computer generated icon for a display screen'2001D0441761'Computer generated icon for a display screen'2001D0417202'Magnetic disc storage unit for electronic computer'1999D0413626'Automatic postal code reading and sorting machine,'1999D0411184'Magnetic disc storage unit for electronic computer'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2001Patents assigned to HITACHI LTD (5)· patent assignee history
1999–2001Based in Higashimurayama, JP· patent location history
2021Patents assigned to OMRON TATEISI ELECTRONICS CO (3)· patent assignee history
2021Based in Okayama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1999–2001 |
| OMRON TATEISI ELECTRONICS CO | 3 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Higashimurayama, JP | 5 | 1999–2001 |
| Okayama, JP | 3 | 2021 |