Inventor
Shoichi Sakanishi
Inventor
Hiratsuka, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Dprimary
E21DShafts25%
G01CMeasuring distances, levels or bearings19%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light19%
E21BEarth or rock drilling13%
E02FDredging6%
G01SRadio direction-finding6%
G08CTransmission systems for measured values, control or similar signals6%
H04BTransmission6%
PatentTitleYear
6,697,695'Laser device management system'20046,522,674'Pulsed laser control system'20036,418,155'Laser device'20025,330,292'System and method for transmitting and calculating data in shield machine'19945,208,538'Apparatus having a pair of magnetic field generating cables for measuring position of an underground excavator'19935,199,818'Method and apparatus for detecting collapse of natural ground in shield driving method'19935,107,938'Apparatus for detecting position of underground excavator'19924,818,107'System for measuring the position of a moving body'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to KOMATSU S EISAKUSHO KK (1)· patent assignee history
1989–2004Based in Hiratsuka, JP· patent location history
1992Patents assigned to KOMATSU SEISAKUSHO CORP KK (1)· patent assignee history
1992Based in Hirakata, JP· patent location history
1993–2004Patents assigned to KOMATSU MFG CO LTD (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOMATSU MFG CO LTD | 6 | 1993–2004 |
| KOMATSU S EISAKUSHO KK | 1 | 1989 |
| KOMATSU SEISAKUSHO CORP KK | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hiratsuka, JP | 7 | 1989–2004 |
| Hirakata, JP | 1 | 1992 |