Inventor
Kazuo Kurahashi
Inventor
Hamamatsu, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification22%
G02CSpectacles16%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
B22FWorking metallic powder6%
G11BInformation storage based on relative movement between record carrier and transducer6%
A44CPersonal adornments, e.g. jewellery3%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling3%
B22CFoundry moulding3%
B23KSoldering or unsoldering3%
C22CAlloys3%
PatentTitleYear
7,375,275'Electronic instrument and reproduction system'20084,944,028'Non-contact type pattern sensor with variable clearance compensation'19904,777,098'Clad material for ornamental applications and a process for producing the same'19884,768,119'Non-contact head with variable clearance compensating means'19884,666,795'Clad material for ornamental use'19874,611,371'Method for manufacturing an eyeglass-frame'19864,601,955'Composite material for decorative applications'19864,494,832'Eyeglass-frame'19854,494,833'Eyeglass-frame'19854,472,035'Eyeglass-frame'19844,450,210'Clad material'19844,360,382'Method for manufacturing extremely thin magnetic plates for multilayer-type head cores'19824,186,586'Billet and process for producing a tubular body by forced plastic deformation'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1990Patents assigned to NIPPON MUSICAL INSTRUMENTS MFG (12)· patent assignee history
1980–1988Based in Hamamatsu, JP· patent location history
1984–1985Based in Shizuoka, JP· patent location history
1990Based in Hamatsu, JP· patent location history
2008Patents assigned to ROLAND CORP (1)· patent assignee history
2008Based in Iwata, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON MUSICAL INSTRUMENTS MFG | 12 | 1980–1990 |
| ROLAND CORP | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 7 | 1980–1988 |
| Shizuoka, JP | 4 | 1984–1985 |
| Iwata, JP | 1 | 2008 |
| Hamatsu, JP | 1 | 1990 |