Inventor

Harutoshi Ukegawa

Inventor

Hyogo, JP

Overview

8→

Patents

1996–2004

Patent span

Chemistry

Primary field (CPC C)

Patents· 8 as inventor

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

C04Bprimary

C04BLime, magnesia35%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1024%

Y10TTechnical subjects covered by former us classification18%

B23BTurning6%

F01CRotary-piston or oscillating-piston machines or engines6%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids6%

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

PatentTitleYear

6,696,103'Aluminium nitride ceramics and method for preparing the same'2004 6,017,172'Ceramic insert for use with clamp type cutting tool'2000 5,955,148'Aluminium nitride ceramics and method for preparing the same'1999 5,738,820'Sintered silicon nitride-based body and process for producing the same'1998 5,677,052'Aluminum nitride ceramics and method for preparing the same'1997 5,631,200'Sintered silicon nitride-based body'1997 5,602,720'Mounting structure for semiconductor device having low thermal resistance'1997 5,516,269'Zirconia vane for rotary compressors'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2004Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (8)· patent assignee history

1996–2000Based in Itami, JP· patent location history

1997–2004Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO ELECTRIC INDUSTRIES	8	1996–2004

Locations

Location	Patents	Span
Hyogo, JP	4	1997–2004
Itami, JP	4	1996–2000