Inventor
Naoki Hirakawa
Inventor
Tokyo, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography15%
Y10TTechnical subjects covered by former us classification15%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C21DModifying the physical structure of ferrous metals7%
C22CAlloys7%
C08JWorking-up5%
C23CCoating metallic material5%
C23FNon-mechanical removal of metallic material from surface5%
G06FElectric digital data processing5%
PatentTitleYear
10,903,461Battery armoring stainless steel foil, and method of producing same202110,087,498Battery armoring stainless steel foil, and method of producing same201810,025,439Virtual sensor mirroring for circular touch panels20189,904,427'Underwater non-conductive touch tracking'20188,900,107'Conductive rubber member'20148,283,945'Semiconductor device'20128,273,191'High-strength stainless steel material and production process of the same'20128,163,389'Conductive roll and method for producing same'20128,105,653'Method and apparatus for performing surface treatment of rubber member'20128,090,295'Conductive rubber member'20128,066,626'Conductive rubber member'20117,973,093'Foamed rubber member'20117,875,331'Conductive rubber member'20117,744,515'Conductive roller and inspection method therefor'20107,638,196'Conductive rubber member'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2014Patents assigned to SYNZTEC CO LTD (9)· patent assignee history
2009–2012Based in Yokohama, JP· patent location history
2011–2014Patents assigned to HIRAKAWA NAOKI (7)· patent assignee history
2011–2021Based in Tokyo, JP· patent location history
2012–2021Patents assigned to NISSHIN STEEL CO LTD (3)· patent assignee history
2012–2014Patents assigned to MOTOKAWA SHINJI (2)· patent assignee history
2012–2018Based in Kawasaki, JP· patent location history
2012Based in Shunan-shi, JP· patent location history
2018Patents assigned to PARADE TECH LTD (2)· patent assignee history
2018Based in Hiroshima, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SYNZTEC CO LTD | 9 | 2009–2014 |
| HIRAKAWA NAOKIself | 7 | 2011–2014 |
| NISSHIN STEEL CO LTD | 3 | 2012–2021 |
| MOTOKAWA SHINJI | 2 | 2012–2014 |
| PARADE TECH LTD | 2 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2011–2021 |
| Yokohama, JP | 4 | 2009–2012 |
| Kawasaki, JP | 2 | 2012–2018 |
| Hiroshima, JP | 1 | 2018 |
| Shunan-shi, JP | 1 | 2012 |