Inventor

Osamu Asai

Inventor

Hitachi, JP

Overview

24→

Patents

1976–2017

Patent span

Electricity

Primary field (CPC H)

Patents· 24 as inventor

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

B60Rprimary

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for8%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%

B29DProducing particular articles from plastics or from substances in a plastic state7%

F16LPipes7%

G02BOptical elements, systems or apparatus7%

Y10TTechnical subjects covered by former us classification7%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%

H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines5%

B24BMachines, devices, or processes for grinding or polishing3%

C04BLime, magnesia3%

PatentTitleYear

9,695,850'Watertight clip'2017 D0789779'Corrugated tube clamp'2017 9,653,901'Holding component for vehicle'2017 RE046357'Photochromic film, photochromic lens comprising the same, and method of manufacturing photochromic lens'2017 D0732945'Belt clamp'2015 D0729044'Clip'2015 8,918,964'Fastener'2014 8,898,866'Clip'2014 7,999,989'Photochromic film, photochromic lens comprising the same, and method of manufacturing photochromic lens'2011 7,813,059'Optical lens base with protective film and process for producing optical lens base'2010 7,660,051'Optical lens base with protective film and process for producing optical lens base'2010 7,497,096'Apparatus and method for conveying curved glass sheets'2009 5,140,141'Bar-code reader with reading zone indicator'1992 4,912,544'Corrosion-resistant aluminum electronic material'1990 4,663,649'SiC sintered body having metallized layer and production method thereof'1987 4,561,891'Powdery silicon carbide composition for sintering'1985 4,259,415'Primary battery'1981 4,153,519'Silver-electroplating method using thiocyanic solution'1979 4,043,647'Method of forming alignment film for liquid crystal display cell'1977 4,044,394'Thin film magnetic head with a center tap'1977 4,024,041'Method of forming deposition films for use in multi-layer metallization'1977 4,003,772'Method for preparing thin film integrated circuit'1977 3,969,153'Method of manufacturing a stainless steel boiler tube with anticorrosive coating'1976 3,968,019'Method of manufacturing low power loss semiconductor device'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1990Patents assigned to HITACHI LTD (11)· patent assignee history

1976–1990Based in Hitachi, JP· patent location history

2009Patents assigned to CENTRAL GLASS CO LTD (1)· patent assignee history

2010–2017Patents assigned to HOYA CORP (4)· patent assignee history

2010Based in Tokyo, JP· patent location history

2011–2017Based in Shinjuku-ku, JP· patent location history

2014–2017Patents assigned to DAIWA KASEI KOGYO KK (5)· patent assignee history

2014–2015Patents assigned to ASAI OSAMU (3)· patent assignee history

2014–2017Based in Okazaki, JP· patent location history

2015–2017Based in Aichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	11	1976–1990
DAIWA KASEI KOGYO KK	5	2014–2017
HOYA CORP	4	2010–2017
ASAI OSAMUself	3	2014–2015
CENTRAL GLASS CO LTD	1	2009

Locations

Location	Patents	Span
Hitachi, JP	11	1976–1990
Aichi, JP	4	2015–2017
Okazaki, JP	3	2014–2017
Shinjuku-ku, JP	2	2011–2017
Tokyo, JP	2	2010