Inventor
Ichiya Sato
Inventor
Hitachi, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties38%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves15%
G01BMeasuring length, thickness or similar linear dimensions8%
G01MTesting static or dynamic balance of machines or structures8%
G06FElectric digital data processing8%
G10KSound-producing devices8%
H10NElectric solid-state devices not otherwise provided for8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
5,325,012'Bonded type piezoelectric apparatus, method for manufacturing the same and bonded type piezoelectric element'19944,685,335'Method and apparatus for monitoring cracks of a rotatable body'19874,669,315'Rotating machinery diagnosis system with acoustic emission technique'19874,665,282'Tablet type coordinate input apparatus using elastic wave'19874,478,082'Method and apparatus for detecting rubbing in a rotary machine'19844,450,725'Electromagnetic-acoustic measuring apparatus'19844,348,903'Electromagnetic ultrasonic apparatus'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to NIPPON STEEL CORP (1)· patent assignee history
1982–1994Based in Hitachi, JP· patent location history
1984–1994Patents assigned to HITACHI LTD (6)· patent assignee history
1984Patents assigned to SUMITOMO METAL IND (1)· patent assignee history
1994Patents assigned to HITACHI ENG SERVICE (1)· patent assignee history
1994Patents assigned to HITACHI MATERIAL ENGINEERING L (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 6 | 1984–1994 |
| HITACHI ENG SERVICE | 1 | 1994 |
| HITACHI MATERIAL ENGINEERING L | 1 | 1994 |
| NIPPON STEEL CORP | 1 | 1982 |
| SUMITOMO METAL IND | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 7 | 1982–1994 |