Inventor

Keizo Hayashi

Inventor

Nagoya, JP

Overview

25→

Patents

1982–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 25 as inventor

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

B60Jprimary

B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles24%

B29CShaping or joining of plastics22%

Y10TTechnical subjects covered by former us classification8%

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. inserts7%

B29LIndexing scheme associated with subclass b29c, relating to particular articles7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%

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

B29DProducing particular articles from plastics or from substances in a plastic state3%

B29BPreparation or pretreatment of the material to be shaped2%

PatentTitleYear

10,935,295Ice making machine2021 6,684,574'Insert for trim, trim and weather strip for vehicle'2004 6,647,667'Trim and seal member'2003 6,579,959'Process for producing isobutylene polymers'2003 6,099,676'Method for making an article including a tape member bonded to an extruded rubber member'2000 5,958,318'Weather strip and method and apparatus for extrusion-molding the same'1999 5,753,063'Method of decorating rubber extruded product'1998 5,679,303'Method of and an apparatus for forming weather strip by extrusion'1997 5,447,670'Method of and apparatus for forming weather strip by extrusion'1995 5,278,262'Polymerization apparatus and batch-wise process for producing vinyl chloride resin'1994 5,240,664'Method of manufacturing a door weather strip'1993 5,169,918'Polymerization apparatus having an effective height/effective inner diameter ratio of at least 4 and a circumferential agitative diameter/effective inner ratio diameter of from 0.7 to 0.9'1992 5,165,201'Vehicle weather strip'1992 5,099,612'Door weather strip'1992 5,085,006'Weather strip for motor vehicle'1992 4,918,867'Opening trim'1990 4,708,633'Injection molding machine'1987 4,669,144'Wiper blade'1987 4,608,005'Clamping device'1986 4,493,632'Spacer in metal-mold vulcanizer for rubber hose'1985 4,469,817'Method for reclamation of vulcanized rubber'1984 4,460,325'Metal mold for vulcanization of reinforced hose'1984 4,424,976'Channel-shaped trim with disconnected core pieces'1984 4,339,860'Method of producing channel-shaped trim'1982 4,333,221'Method for producing a channel shaped trim'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2004Patents assigned to TOYODA GOSEI KK (21)· patent assignee history

1982–2000Based in Nagoya, JP· patent location history

1984Patents assigned to MICRO DENSHI CO LTD (1)· patent assignee history

1992–1994Patents assigned to KANEGAFUCHI CHEMICAL IND (2)· patent assignee history

1992–1998Based in Aichi, JP· patent location history

1992–1994Based in Hyogo, JP· patent location history

2003Patents assigned to KANEKA CORP (1)· patent assignee history

2003–2004Based in Nishikasugai-gun, JP· patent location history

2021Patents assigned to NIDEC SANKYO CORP (1)· patent assignee history

2021Based in Nagano-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYODA GOSEI KK	21	1982–2004
KANEGAFUCHI CHEMICAL IND	2	1992–1994
KANEKA CORP	1	2003
MICRO DENSHI CO LTD	1	1984
NIDEC SANKYO CORP	1	2021

Locations

Location	Patents	Span
Nagoya, JP	16	1982–2000
Aichi, JP	3	1992–1998
Nishikasugai-gun, JP	2	2003–2004
Hyogo, JP	2	1992–1994
Nagano-shi, JP	1	2021