Inventor
Kenji Kuwahara
Inventor
Ikoma, JP
Overview
16→
Patents
1978–2019
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer26%
Y10TTechnical subjects covered by former us classification23%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
G02BOptical elements, systems or apparatus9%
H01RElectrically-conductive connections6%
A63FCard, board, or roulette games3%
B23DPlaning3%
C10MLubricating compositions3%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions3%
G06FElectric digital data processing3%
PatentTitleYear
10,318,075Casing and light emission device for game device20199,004,779'Assembly tool and optical fiber connector assembly method'20157,950,953'Multicore cable connector with an alignment plate with a cable receiving portion on one side and a substrate receiving portion on the other side'20117,857,657'Multicore cable connector having an alignment plate with a cable receiving portion on one side and a substrate receiving portion on the other side'20107,369,717'Optical interconnection harness'20086,303,227'Lubricant composition magnetic recording medium, and process for producing magnetic recording medium'20015,798,135'Method for producing a magnetic recording medium having a carbon protective layer'19985,776,602'Magnetic recording medium having a carbon protective film containing nitrogen and oxygen and overcoated with a lubricant'19985,670,107'Method for producing magnetic recording medium'19975,637,393'Magnetic recording medium and its manufacturing method'19975,589,263'Magnetic recording medium having a ferromagnetic metal thin film, a dry etched layer, a carbonaceous film, and a lubricant film'19965,540,957'Method of manufacturing a magnetic recording medium'19965,496,595'Method for forming film by plasma CVD'19965,494,742'Magnetic recording medium having improved running time and corrosion resistance'19964,724,732'Method of controlling a rotary cutter'19884,119,573'Glaze resistor composition and method of making the same'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–2001Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (10)· patent assignee history
1988Patents assigned to MITSUBISHI HEAVY IND LTD (1)· patent assignee history
1988Based in Takasago, JP· patent location history
1996–2001Based in Ikoma, JP· patent location history
1996Based in Nara, JP· patent location history
2008–2015Patents assigned to 3M INNOVATIVE PROPERTIES CO (4)· patent assignee history
2008–2019Based in Tokyo, JP· patent location history
2015Patents assigned to HORIBE DAI (1)· patent assignee history
2015Patents assigned to KUWAHARA KENJI (1)· patent assignee history
2015Based in Machida, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 10 | 1978–2001 |
| 3M INNOVATIVE PROPERTIES CO | 4 | 2008–2015 |
| HORIBE DAI | 1 | 2015 |
| KUWAHARA KENJIself | 1 | 2015 |
| MITSUBISHI HEAVY IND LTD | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ikoma, JP | 8 | 1996–2001 |
| Tokyo, JP | 4 | 2008–2019 |
| Machida, JP | 1 | 2015 |
| Nara, JP | 1 | 1996 |
| Takasago, JP | 1 | 1988 |