Inventor
Akira Kasuga
Inventor
Kanagawa, JP
Overview
33→
Patents
1977–2003
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 33 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 transducer34%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests28%
Y10TTechnical subjects covered by former us classification27%
H01RElectrically-conductive connections2%
B22FWorking metallic powder1%
B29CShaping or joining of plastics1%
B29DProducing particular articles from plastics or from substances in a plastic state1%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds1%
C08LCompositions of macromolecular compounds1%
G03CPhotosensitive materials for photographic purposes1%
PatentTitleYear
6,620,483'Magnetic recording medium'20036,293,823'Nut-prefixed connector'20015,958,565'Magnetic recording tape favorably employable for computer data storage'19995,947,767'Electrical connector'19995,091,268'Magnetic recording medium lubricated by a three component fatty acid ester-fatty acid amide composition'19925,041,336'Magnetic recording medium using a binder resin containing a polar group, and a lubricant system comprising two types of fatty acid esters and one fatty acid'19915,015,498'Method for preparing a magnetic recording medium'19914,916,024'Magnetic recording medium'19904,801,505'Magnetic recording medium'19894,784,907'Magnetic recording medium'19884,784,914'Magnetic recording medium'19884,701,364'Tape for cleaning magnetic head'19874,696,859'Magnetic recording medium'19874,687,705'Magnetic recording medium'19874,661,377'Process for producing a magnetic recording medium having an improved dimensional stability'19874,652,958'Tape for cleaning magnetic head'19874,646,179'Flexible magnetic disc, positioning apparatus and method permitting improved head contact'19874,571,364'Magnetic recording medium'19864,537,833'Magnetic recording medium'19854,496,626'Magnetic recording medium'19854,481,253'Process for preparing ferromagnetic metal powder and a magnetic recording medium including the powder'19844,465,737'Magnetic recording medium'19844,455,345'Magnetic recording medium'19844,431,712'Magnetic recording medium of ferromagnetic particles and binder'19844,411,956'Magnetic recording medium'19834,409,299'Magnetic recording medium'19834,409,291'Magnetic recording medium'19834,407,901'Magnetic recording medium'19834,132,827'Magnetic recording substance'19794,091,158'Magnetic recording members'19784,075,384'Magnetic recording tapes with two-layered magnetic coating'19784,030,685'Magnetic tape magazine'19774,003,743'Process for production of motion picture film with sound track containing p-toluenesulfonic acid and glacial acetic acid'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2003Patents assigned to FUJI PHOTO FILM CO LTD (31)· patent assignee history
1977–2003Based in Odawara, JP· patent location history
1984–1999Based in Kanagawa, JP· patent location history
1999–2001Patents assigned to KEL KK (2)· patent assignee history
1999–2001Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI PHOTO FILM CO LTD | 31 | 1977–2003 |
| KEL KK | 2 | 1999–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 16 | 1984–1999 |
| Odawara, JP | 15 | 1977–2003 |
| Tokyo, JP | 2 | 1999–2001 |