Inventor
Masahiro Ohishi
Inventor
Tokyo, JP
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Sprimary
G01SRadio direction-finding39%
G01CMeasuring distances, levels or bearings32%
G02BOptical elements, systems or apparatus8%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light8%
G04FTime-interval measuring5%
G01BMeasuring length, thickness or similar linear dimensions3%
A61BDiagnosis2%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%
G02CSpectacles2%
PatentTitleYear
10,732,267Electro-optical distance meter202010,663,296Surveying instrument20209,161,691'Scanning ophthalmic imaging apparatus'20158,781,780'Electro-optical distance measuring method and electro-optical distance measuring device'20148,610,880'Distance measuring apparatus and distance measuring method'20138,179,522'Distance measuring device'20127,945,821'Time lag measuring device, distance measuring apparatus and distance measuring method'20117,903,235'Surveying instrument and surveying method'20117,849,371'Time lag measuring device, distance measuring apparatus and distance measuring method'20107,777,865'Time difference measuring device, measuring method, distance measuring device, and distance measuring method'20107,626,686'Surveying instrument'20097,382,443'Distance measuring method and distance measuring device'20086,803,593'Distance measuring system'20046,710,885'Measuring system'20046,693,703'Distance measuring device and method for adjusting photodetection unit of distance measuring device'20046,687,038'Optical pulse observing device'20046,683,693'Target device'20046,665,055'Light-wave rangefinder using a pulse method'20036,483,121'Distance measuring apparatus and distance measuring method'20026,473,716'Three-dimensions measuring method and surveying equipment using the same'20026,473,166'Automatic surveying equipment and three-dimensions measuring method'20026,433,860'Light wave rangefinder'20026,396,571'Portable type distance measuring apparatus'20026,384,904'Distance measuring apparatus'20026,356,344'Mixing apparatus and optical rangefinder using the same'20026,333,783'Distance measuring system'20016,248,989'Tilt detecting device'20016,084,896'Laser light-source apparatus and method of producing light beam'20006,048,105'Laser system for surveying'20006,002,696'Laser apparatus and method of controlling the same'19995,991,325'Laser beam emitting apparatus and method of driving laser light source'19995,936,987'Laser beam emitting apparatus'19995,909,455'Rotating laser beam irradiating apparatus'19995,898,489'Laser irradiation light detecting device'19995,825,798'Laser oscillating apparatus and method of driving laser beam source'19985,745,623'Laser system for surveying'19985,532,813'Optical distance meter and light source device used for the same'19965,075,878'High resolution measuring device for time difference'19915,054,911'Light wave distance measuring instrument of the pulse type'19915,002,388'Optical distance measuring apparatus having a measurement error compensating function'19914,942,561'Delay time measuring device'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2020Patents assigned to TOPCON CORP (39)· patent assignee history
1990–2020Based in Tokyo, JP· patent location history
2008–2011Based in Itabashi-ku, JP· patent location history
2012–2015Patents assigned to OHISHI MASAHIRO (4)· patent assignee history
2012Patents assigned to MIKI NAOTO (1)· patent assignee history
2012Patents assigned to MINEGISHI ISAO (1)· patent assignee history
2014Patents assigned to KANOKOGI MITSURU (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOPCON CORP | 39 | 1990–2020 |
| OHISHI MASAHIROself | 4 | 2012–2015 |
| KANOKOGI MITSURU | 1 | 2014 |
| MIKI NAOTO | 1 | 2012 |
| MINEGISHI ISAO | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 37 | 1990–2020 |
| Itabashi-ku, JP | 4 | 2008–2011 |