LexDanaLexDanabeta
Inventor

Yoshikazu Kikuchi

Inventor
Sagae, JP

Overview

10→
Patents
1977–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C03Bprimary
C03BManufacture, shaping, or supplementary processes17%
C03CChemical composition of glasses, glazes or vitreous enamels17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids4%
B29CShaping or joining of plastics4%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons4%
D01HSpinning or twisting4%
PatentTitleYear
6,405,563'Opaque silica glass article having transparent portion and process for producing same'20026,133,178'High purity transparent silica glass'20005,665,133'Process for production of pure transparent quartz'19975,585,173'High-purity, opaque quartz glass, method for producing same and use thereof'19964,713,092'Electrostatic precipitator'1987D0274705'Dial gage'1984D0261370'Dial gauge'19814,112,175'Sound insulating sheet containing lead fibers'19784,019,844'Apparatus for producing multiple layers conjugate fibers'19774,004,406'Spun type yarn and process for manufacturing the same'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1978Patents assigned to TORAY INDUSTRIES (3)· patent assignee history
1977–1978Based in Otsu, JP· patent location history
1981–1984Patents assigned to MITUTOYO MFG CO LTD (2)· patent assignee history
1981–1984Based in Tochigi, JP· patent location history
1987Patents assigned to CORONA ENGINEERING CO LTD (1)· patent assignee history
1987Based in Tokyo, JP· patent location history
1996–2002Patents assigned to TOSOH CORP (4)· patent assignee history
1996–2000Patents assigned to NIPPON SILICA GLASS (3)· patent assignee history
1996–2002Based in Sagae, JP· patent location history
1997Based in Yamagata, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSOH CORP41996–2002
NIPPON SILICA GLASS31996–2000
TORAY INDUSTRIES31977–1978
MITUTOYO MFG CO LTD21981–1984
CORONA ENGINEERING CO LTD11987
Locations
LocationPatentsSpan
Sagae, JP31996–2002
Otsu, JP31977–1978
Tochigi, JP21981–1984
Yamagata, JP11997
Tokyo, JP11987