Inventor

Michio Okabe

Inventor

Chita, JP

Overview

1997–2008

Patent span

Chemistry

Primary field (CPC C)

Patents· 21 as inventor

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

C22Cprimary

C22CAlloys50%

C21DModifying the physical structure of ferrous metals13%

F01LCyclically operating valves for machines or engines13%

C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys11%

B23KSoldering or unsoldering3%

C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis3%

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

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants3%

F22BMethods of steam generation3%

PatentTitleYear

7,381,369'Free cutting alloy'2008 7,297,214'Free cutting alloy'2007 7,160,400'Low thermal expansion Ni-base superalloy'2007 6,921,442'Nickel-based heat-resistant alloy'2005 6,793,746'Stainless steel parts with suppressed release of sulfide gas and method of producing'2004 6,685,881'Stainless cast steel having good heat resistance and good machinability'2004 6,464,935'Steel for shaft'2002 6,284,071'Titanium alloy having good heat resistance and method of producing parts therefrom'2001 6,193,822'Method of manufacturing diesel engine valves'2001 6,139,660'High corrosion resisting alloy for diesel engine valve and method for producing the valve'2000 6,110,421'High strength non-magnetic stainless steel and method for producing the same'2000 6,099,668'Heat resisting alloy for exhaust valve and method for producing the exhaust valve'2000 6,096,262'Martensitic heat resisting steel'2000 6,039,919'High corrosion resisting alloy for diesel engine valve'2000 6,033,625'Parts of electronic devices made of ferritic free cutting stainless steel'2000 6,007,301'TiAl turbine rotor and method of manufacturing'1999 5,951,789'Heat resisting alloy for exhaust valve and method for producing the exhaust valve'1999 5,948,182'Heat resisting steel'1999 5,922,274'Titanium alloy having good heat resistance and method of producing parts therefrom'1999 5,779,972'Heat resisting alloys, exhaust valves and knit meshes for catalyzer for exhaust gas'1998 5,630,983'Precipitation hardening stainless steels'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2005Patents assigned to DAIDO STEEL CO LTD (16)· patent assignee history

1997–2008Based in Chita, JP· patent location history

1999–2000Patents assigned to DIADO STEEL CO LTD (2)· patent assignee history

2005–2007Based in Aichi, JP· patent location history

2007–2008Patents assigned to EBATA TAKASHI (2)· patent assignee history

2007–2008Patents assigned to ISHIDA KIYOHITO (2)· patent assignee history

2007–2008Patents assigned to OIKAWA KATSUNARI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DAIDO STEEL CO LTD	16	1997–2005
DIADO STEEL CO LTD	2	1999–2000
EBATA TAKASHI	2	2007–2008
ISHIDA KIYOHITO	2	2007–2008
OIKAWA KATSUNARI	2	2007–2008

Locations

Location	Patents	Span
Chita, JP	19	1997–2008
Aichi, JP	2	2005–2007