Inventor
Hidefumi Kajiwara
Inventor
Katsuta, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals25%
C22CAlloys25%
F01DNon-positive displacement machines or engines, e.g. steam turbines25%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants25%
PatentTitleYear
6,224,334'Steam turbine, rotor shaft thereof, and heat resisting steel'20015,624,235'Steam turbine, rotor shaft thereof, and heat resisting steel'19975,569,338'Steam turbine rotor shaft thereof and heat resisting steel'19965,536,146'Combined generator system'19965,383,768'Steam turbine, rotor shaft thereof, and heat resisting steel'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2001Patents assigned to HITACHI LTD (5)· patent assignee history
1995–2001Based in Katsuta, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1995–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katsuta, JP | 5 | 1995–2001 |