Inventor

Akira Mitsuhashi

Inventor

Omiya, JP

Overview

18→

Patents

1992–2012

Patent span

Chemistry

Primary field (CPC C)

Patents· 18 as inventor

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

C22Cprimary

C22CAlloys27%

C30BSingle-crystal growth15%

C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines6%

B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls3%

B22DCasting of metals3%

C03BManufacture, shaping, or supplementary processes3%

F01DNon-positive displacement machines or engines, e.g. steam turbines3%

F01LCyclically operating valves for machines or engines3%

PatentTitleYear

8,187,532'Ring-shaped disk for gas turbine'2012 6,808,570'Fin and tube for high-temperature heat exchanger'2004 6,794,803'Spark plug for an internal combustion engine'2004 6,732,992'Mold for producing silicon ingot and method for fabricating the same'2004 6,378,835'Method for producing silicon ingot having directional solidification structure and apparatus for producing the same'2002 6,334,603'Mold for producing silicon ingot and method for fabricating the same'2002 6,322,643'Columnar crystalline Ni-base heat-resistant alloy having high resistance to intergranular corrosion at high temperature, method of producing the alloy, large-size article, and method of producing large-size article from the alloy'2001 6,299,682'Method for producing silicon ingot having directional solidification structure and apparatus for producing the same'2001 6,036,791'Columnar crystalline Ni-based heat-resistant alloy having high resistance to intergranular corrosion at high temperature, method of producing the alloy, large-size article, and method of producing large-size article from the alloy'2000 6,003,587'Casting furnace, a casting method and a turbine blade made thereby'1999 5,634,989'Amorphous nickel alloy having high corrosion resistance'1997 5,575,972'FE-CR alloy and nozzle for diesel engines'1996 5,516,381'Rotating blade or stationary vane of a gas turbine'1996 5,495,837'Engine valve having improved high-temperature wear resistance'1996 5,431,750'Nickel-base heat-resistant alloys'1995 5,422,072'Enhanced Co-based alloy'1995 5,122,206'Precipitation hardening nickel base single crystal cast alloy'1992 5,080,613'Separable multicontact electric connector'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to FUJITSU LTD (1)· patent assignee history

1992–2002Based in Ohmiya, JP· patent location history

1995–2004Patents assigned to MITSUBISHI MATERIALS CORP (14)· patent assignee history

1995–2001Patents assigned to MITSUBISHI HEAVY IND LTD (4)· patent assignee history

1995–2004Based in Omiya, JP· patent location history

1995Based in Saitama, JP· patent location history

1997Patents assigned to HASHIMOTO KOJI (1)· patent assignee history

2004Patents assigned to DENSO CORP (1)· patent assignee history

2004–2012Based in Kitamoto, JP· patent location history

2004Based in Okegawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI MATERIALS CORP	14	1995–2004
MITSUBISHI HEAVY IND LTD	4	1995–2001
DENSO CORP	1	2004
FUJITSU LTD	1	1992
HASHIMOTO KOJI	1	1997

Locations

Location	Patents	Span
Omiya, JP	10	1995–2004
Ohmiya, JP	3	1992–2002
Kitamoto, JP	2	2004–2012
Okegawa, JP	1	2004
Saitama, JP	1	1995