Inventor

Yasutaka Okada

Inventor

Nara, JP

Overview

30→

Patents

1978–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 30 as inventor

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

C22Cprimary

C22CAlloys26%

C21DModifying the physical structure of ferrous metals13%

G06KGraphical data reading10%

G06VImage or video recognition or understanding10%

E21BEarth or rock drilling7%

G06TImage data processing or generation, in general7%

C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys5%

B21BRolling of metal3%

H01LSemiconductor devices3%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation3%

PatentTitleYear

10,796,172Image processing device and image processing method2020 10,521,915Distance measurement device and distance measurement method2019 10,311,580Bed area extraction method and bed area extraction apparatus2019 10,163,953Image pickup device and method of manufacturing the same2018 9,904,854'Image processing device and image processing method'2018 9,846,817Bed area extraction method, bed area extraction apparatus, and recording medium2017 9,647,023'Image pickup device and method of manufacturing the same'2017 9,390,336'Image processing device, image processing method'2016 8,891,828'Image processing apparatus and image processing method'2014 6,478,898'Method of producing tool steels'2002 6,475,305'Machine structural steel product'2002 6,386,342'Stainless steel for a disc brake rotor'2002 6,024,808'Seamless steel pipe manufacturing method and equipment'2000 5,981,049'Coated tool and method of manufacturing the same'1999 5,922,145'Steel products excellent in machinability and machined steel parts'1999 5,873,960'Method and facility for manufacturing seamless steel pipe'1999 5,449,420'High strength steel member with a low yield ratio'1995 5,374,322'Method of manufacturing high strength steel member with a low yield ratio'1994 5,217,684'Precipitation-hardening-type Ni-base alloy exhibiting improved corrosion resistance'1993 5,000,914'Precipitation-hardening-type ni-base alloy exhibiting improved corrosion resistance'1991 4,798,632'Ni-based alloy and method for preparing same'1989 4,715,909'Nickel-chromium alloy in stress corrosion cracking resistance'1987 4,710,237'Method for thermal treatment of nickel based alloy materials'1987 4,652,315'Precipitation-hardening nickel-base alloy and method of producing same'1987 4,421,571'Process for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking'1983 4,400,349'Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking'1983 4,400,209'Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking'1983 4,400,211'Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking'1983 4,400,210'Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking'1983 4,102,711'Method of producing a tube of ultra-high strength steel having remarkably improved ductility and toughness'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2002Patents assigned to SUMITOMO METAL IND (19)· patent assignee history

1978–1983Based in Nishinomiya, JP· patent location history

1987–1989Patents assigned to MITSUBISHI HEAVY IND LTD (3)· patent assignee history

1987–2002Based in Nara, JP· patent location history

1989–1993Based in Amagasaki, JP· patent location history

2014–2019Patents assigned to FUJITSU LTD (6)· patent assignee history

2014–2019Based in Kawasaki, JP· patent location history

2017–2018Patents assigned to RENESAS ELECTRONICS CORP (2)· patent assignee history

2017–2018Based in Hitachinaka, JP· patent location history

2020Patents assigned to DENSO TEN LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO METAL IND	19	1978–2002
FUJITSU LTD	6	2014–2019
MITSUBISHI HEAVY IND LTD	3	1987–1989
RENESAS ELECTRONICS CORP	2	2017–2018
DENSO TEN LTD	1	2020

Locations

Location	Patents	Span
Nara, JP	8	1987–2002
Kawasaki, JP	6	2014–2019
Nishinomiya, JP	6	1978–1983
Amagasaki, JP	3	1989–1993
Hitachinaka, JP	2	2017–2018