Inventor
Hajime Harada
Inventor
Tokyo, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis13%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%
G11CStatic stores13%
H01FMagnets13%
H03FAmplifiers13%
H04BTransmission13%
LOC1413%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
D0604273'Bone conduction earphone'20096,503,995'Method of producing crosslinkable silyl group-containing polyoxyalkylene polymers'20035,521,851'Noise reduction method and apparatus'19965,180,931'Sampling method and circuit'19934,530,365'Physiological signal amplifier circuitry'19854,518,941'Pulse transformer for switching power supplies'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1996Patents assigned to NIHON KOHDEN CORP (4)· patent assignee history
1985–1996Based in Tokyo, JP· patent location history
2003Patents assigned to KANEKA CORP (1)· patent assignee history
2003Based in Osaka, JP· patent location history
2009Patents assigned to NEC TOKIN CORP (1)· patent assignee history
2009Based in Sendai, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIHON KOHDEN CORP | 4 | 1985–1996 |
| KANEKA CORP | 1 | 2003 |
| NEC TOKIN CORP | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 1985–1996 |
| Sendai, JP | 1 | 2009 |
| Osaka, JP | 1 | 2003 |