Inventor
Naoyoshi Yoshida
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Cprimary
H01CResistors32%
C04BLime, magnesia18%
H01BCables9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C08LCompositions of macromolecular compounds5%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties5%
C22CAlloys5%
G02BOptical elements, systems or apparatus5%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%
PatentTitleYear
11,028,270Black matrix composition, black matrix, and black matrix production method202110,575,404Electronic component202010,096,408Voltage nonlinear resistor ceramic and electronic component20189,142,340'Chip varistor'20159,087,623'Voltage nonlinear resistor ceramic composition and electronic component'20157,754,109'Varistor element'20107,683,753'Voltage non-linear resistance ceramic composition and voltage non-linear resistance element'20107,507,356'Voltage non-linear resistance ceramic composition and voltage non-linear resistance element'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2020Patents assigned to TDK CORP (7)· patent assignee history
2009–2010Based in Nikaho, JP· patent location history
2010–2020Based in Tokyo, JP· patent location history
2021Patents assigned to MERCK PATENT GMBH (1)· patent assignee history
2021Patents assigned to RIDGEFIELD ACQUISITION (1)· patent assignee history
2021Patents assigned to SHARP KK (1)· patent assignee history
2021Based in Kakegawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK CORP | 7 | 2009–2020 |
| MERCK PATENT GMBH | 1 | 2021 |
| RIDGEFIELD ACQUISITION | 1 | 2021 |
| SHARP KK | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 2010–2020 |
| Nikaho, JP | 2 | 2009–2010 |
| Kakegawa, JP | 1 | 2021 |