Inventor

Masahiro Katoh

Inventor
Chiryu, JP

Overview

40→
Patents
1997–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 40 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification17%
F02NStarting of combustion engines16%
H02KDynamo-electric machines10%
G03GElectrography5%
H01RElectrically-conductive connections5%
B22FWorking metallic powder3%
C22CAlloys3%
F16HGearing3%
H01JElectric discharge tubes or discharge lamps3%
C23CCoating metallic material2%
PatentTitleYear
10,858,759Molybdenum crucible20209,970,082Heat-resistant alloy and method of manufacturing the same20189,884,367'Mo—Si—B-based alloy powder, metal-material raw material powder, and method of manufacturing a Mo—Si—B-based alloy powder'20189,803,291'Crucible for growing sapphire single crystal, and method for producing crucible for growing sapphire single crystal'20179,696,654'Image forming apparatus comprising image density detector and toner concentration detector'20179,502,201'Tungsten electrode material and thermionic emission current measuring device'20169,500,978'Image forming apparatus including electric charge removing device and method of forming image'20169,488,931'Image forming apparatus'20169,316,954'Image forming apparatus'20168,063,320'Counting scale with a moving average start calculating section, for determining whether or not to calculate a moving average'20117,526,973'Starter with intermediate gear'20097,345,426'Alloy for a lead member of an electric lamp and electrode structure of the electric lamp'20087,332,228'Coated refractory metal plate having oxide surface layer, and setter which uses the same and which is used in sintering'20087,168,151'Method of manufacturing yoke of rotary electric machine'20077,038,563'Electromagnetic switch for starter'20067,010,992'Starter having rotation restricting structure'20066,997,072'Starting apparatus'20066,959,619'Starter having resilient shift lever for driving pinion gear'20056,940,228'Long-life high-pressure discharge lamp and lamp unit using same'20056,902,654'Ultraviolet irradiation apparatus for photochemical reaction and preparation process of vitamin D derivative making use of the same'20056,898,839'Multi-layered brush of rotary electric machine and method of manufacturing the same'20056,887,160'Shock absorber'20056,804,874'Method of manufacturing yoke of rotary electric machine'20046,782,770'Starter motor having planetary gear device for reducing rotational speed of electric motor'20046,744,169'Direct current motor having commutator segments firmly embedded in insulation bond'20046,658,949'Starter having resilient shift lever for driving pinion gear'20036,651,603'Engine starting method in idling stop condition'20036,652,790'Method of fabricating brushes'20036,598,574'Current supply circuit for engine starters'20036,572,479'Shock absorber'20036,528,923'Rotary electric machine with stacked brush'20036,485,591'Method for manufacturing laminated-ceramic electronic components'20026,465,925'Rotary electric machine having auxiliary poles'20026,018,209'Rotary electric machine having resilient fixing cap'20005,864,193'Electric rotating machine having improved insulation for an armature coil'19995,834,852'Starter having less imbalance in armature shaft rotation'19985,777,393'Starter with pinion retreat preventing structure'19985,767,585'Starter'19985,739,617'Rotary electric machine'19985,610,445'Starter for engine having a ring gear'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2000Patents assigned to NIPPON DENSO CO (5)· patent assignee history
1997–2009Based in Chiryu, JP· patent location history
1998–2009Patents assigned to DENSO CORP (20)· patent assignee history
2005–2020Patents assigned to ALMT CORP (8)· patent assignee history
2005–2020Based in Toyama, JP· patent location history
2005Based in Tokyo, JP· patent location history
2011–2017Patents assigned to KATOH MASAHIRO (6)· patent assignee history
2011Based in Kyoto, JP· patent location history
2016–2017Patents assigned to RICOH CO LTD (4)· patent assignee history
2016–2017Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DENSO CORP201998–2009
ALMT CORP82005–2020
KATOH MASAHIROself62011–2017
NIPPON DENSO CO51997–2000
RICOH CO LTD42016–2017
Locations
LocationPatentsSpan
Chiryu, JP241997–2009
Toyama, JP82005–2020
Kanagawa, JP42016–2017
Kyoto, JP12011
Tokyo, JP12005