Inventor
Noboru Hirakawa
Inventor
Kanagawa, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography46%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1023%
H10BElectronic memory devices15%
G11CStatic stores8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
11,131,948Liquid applying device for fixing belt202110,747,153Belt-type transport device, fixing device, and image forming apparatus202010,712,690Image forming apparatus having transfer unit202010,635,048Transfer unit comprising alternating current bias and humidifying unit202010,635,038Image forming apparatus202010,514,634Image forming device have a reducing element reduces an amount of current to a face-forming member upstream of a transfer region20194,961,104'Multi-level wiring structure of semiconductor device'19904,878,105'Semiconductor device having wiring layer composed of silicon film and aluminum film with improved contact structure thereof'19894,590,508'MOS static ram with capacitively loaded gates to prevent alpha soft errors'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to NIPPON ELECTRIC CO (1)· patent assignee history
1986–1990Based in Tokyo, JP· patent location history
1989–1990Patents assigned to NEC CORP (2)· patent assignee history
2019–2020Patents assigned to FUJI XEROX CO LTD (5)· patent assignee history
2019–2021Based in Kanagawa, JP· patent location history
2021Patents assigned to FUJIFILM BUSINESS INNOVATION CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI XEROX CO LTD | 5 | 2019–2020 |
| NEC CORP | 2 | 1989–1990 |
| FUJIFILM BUSINESS INNOVATION CORP | 1 | 2021 |
| NIPPON ELECTRIC CO | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 6 | 2019–2021 |
| Tokyo, JP | 3 | 1986–1990 |