Inventor
Tadaaki Tsuda
Inventor
Sayama, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Hprimary
H03HImpedance networks, e.g. resonant circuits73%
G11BInformation storage based on relative movement between record carrier and transducer9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
9,190,980'Elastic wave filter'20159,083,305'Acoustic wave filter'20159,019,046'Elastic wave filter'20158,207,800'Elastic wave filter including a grating reflector between tapered input and output IDT electrodes'20128,125,301'Transversal type filter'20127,764,144'Elastic wave filter with tapered IDT electrodes'20107,067,963'Surface acoustic wave device'20066,750,592'Surface acoustic wave filter and surface acoustic wave filter apparatus'20046,088,197'Thin film magnetic head with reduced-area common pole layer for improving recording density'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Patents assigned to NEC CORP (1)· patent assignee history
2000Based in Ibaragi, JP· patent location history
2004Patents assigned to NRS TECHNOLOGIES INC (1)· patent assignee history
2004–2006Based in Tokyo, JP· patent location history
2006–2015Patents assigned to NIHON DEMPA KOGYO CO (7)· patent assignee history
2010–2015Based in Sayama, JP· patent location history
2012–2015Patents assigned to TSUDA TADAAKI (3)· patent assignee history
2012–2015Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIHON DEMPA KOGYO CO | 7 | 2006–2015 |
| TSUDA TADAAKIself | 3 | 2012–2015 |
| NEC CORP | 1 | 2000 |
| NRS TECHNOLOGIES INC | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sayama, JP | 3 | 2010–2015 |
| Saitama, JP | 3 | 2012–2015 |
| Tokyo, JP | 2 | 2004–2006 |
| Ibaragi, JP | 1 | 2000 |