Inventor
Tsutomu Kawamura
Inventor
Tokyo, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines19%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling9%
Y10TTechnical subjects covered by former us classification9%
B01FMixing, e.g. dissolving, emulsifying or dispersing6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C07CAcyclic or carbocyclic compounds3%
C07DHeterocyclic compounds3%
F24DDomestic- or space-heating systems, e.g. central heating systems3%
F24FAir-conditioning3%
PatentTitleYear
10,808,947Heat source system managing device, heat source system managing method, and program202010,554,065Battery control apparatus20208,551,417'Reactor and reaction plant'20138,450,531'Method for synthesizing acrolein'20137,901,639'Reaction apparatus'20117,599,052'Method for marking defect and device therefor'20097,423,744'Method for marking defect and device therefor'20087,248,366'Method for marking defect and device therefor'20076,559,931'Three-dimensional (3-D) coordinate measuring method, 3-D coordinate measuring apparatus, and large-structure building method'20035,986,377'Stator for dynamoelectric machine'19995,898,251'Method of making armature winding of double-layer concentric-wound or lap-winding type for dynamoelectric machine'19995,835,220'Method and apparatus for detecting surface flaws'19985,657,530'Method of and apparatus for inserting coins and slot insulators into core of dynamoelectric machine'19975,533,252'Slot insulator guide in assembly of dynamoelectric machine and coil inserting apparatus provided therewith'19965,376,852'Three-phase armature winding'19945,231,324'Three-phase armature winding'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1999Patents assigned to TOSHIBA KK (6)· patent assignee history
1993–1999Based in Yokkaichi, JP· patent location history
1998–2009Patents assigned to NIPPON KOKAN KK (5)· patent assignee history
1998Based in Kawasaki, JP· patent location history
1999Based in Mie, JP· patent location history
2003–2020Based in Tokyo, JP· patent location history
2011–2020Patents assigned to HITACHI LTD (3)· patent assignee history
2011–2013Based in Mito, JP· patent location history
2013Patents assigned to HITACHI PLANT TECHNOLOGIES LTD (2)· patent assignee history
2013Patents assigned to KAWAMURA TSUTOMU (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 6 | 1993–1999 |
| NIPPON KOKAN KK | 5 | 1998–2009 |
| HITACHI LTD | 3 | 2011–2020 |
| HITACHI PLANT TECHNOLOGIES LTD | 2 | 2013 |
| KAWAMURA TSUTOMUself | 2 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2003–2020 |
| Yokkaichi, JP | 5 | 1993–1999 |
| Mito, JP | 3 | 2011–2013 |
| Mie, JP | 1 | 1999 |
| Kawasaki, JP | 1 | 1998 |