Inventor

Kiyoshi Urayama

Inventor

Miyagi, JP

Overview

20→

Patents

1976–1999

Patent span

Performing operations

Primary field (CPC B)

Patents· 20 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 transducer37%

B29CShaping or joining of plastics13%

B02CCrushing, pulverising, or disintegrating in general10%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables7%

Y10TTechnical subjects covered by former us classification7%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents3%

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. inserts3%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors3%

PatentTitleYear

5,860,523'Tape cassette receiving housing'1999 5,314,558'Method of applying a decorative foil to a tape cassette reel'1994 5,255,144'Brake device for tape reel in magnetic tape cassette'1993 5,180,116'Tape cassette reel having a wing-type upper flange'1993 5,160,752'Mold for forming a tape cassette reel'1992 5,101,308'Tape reel for magnetic tape cassette'1992 4,995,565'Cassette reel'1991 4,945,440'Tape cassette with transparent reel viewing windows and laminated three-color construction'1990 4,916,566'Magnetic tape cassette which avoids flange/housing contact'1990 4,901,171'Optical tape end sensing arrangement for magnetic tape cassette'1990 4,802,044'Mounting arrangements for levy springs acting against tape reels in a cassette'1989 4,789,105'Particulate material treating apparatus'1988 4,697,702'Magnetic tape cassette with tape protective sliding closure and lock mechanism for sliding closure'1987 4,529,135'Grinding crusher'1985 4,451,005'Gas flow type crushing and classifying apparatus'1984 4,279,165'Apparatus for measuring cohesion force of particulate materials'1981 4,122,715'Apparatus for measuring flow rate of powdery and/or granular material'1978 3,971,071'Tape cassette with guide means for unidirectional insertion and holder therefore'1976 3,934,762'Apparatus having vibrating plates for feeding powdered material'1976 3,933,648'Screening apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1999Patents assigned to SONY CORP (13)· patent assignee history

1976–1988Patents assigned to HOSOKAWA MICRON KK (6)· patent assignee history

1976–1978Based in Kyoto, JP· patent location history

1981–1985Based in Yahata, JP· patent location history

1984Patents assigned to HOSAKAWA FUNTAI KOGAKU KENKYOS (1)· patent assignee history

1987–1999Based in Miyagi, JP· patent location history

1988Based in Yawata, JP· patent location history

1993Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	13	1976–1999
HOSOKAWA MICRON KK	6	1976–1988
HOSAKAWA FUNTAI KOGAKU KENKYOS	1	1984

Locations

Location	Patents	Span
Miyagi, JP	11	1987–1999
Yahata, JP	3	1981–1985
Kyoto, JP	3	1976–1978
Tokyo, JP	1	1993
Yawata, JP	1	1988