Inventor
Tetsuya Nagai
Inventor
Kyoto, JP
Overview
Patents· 12 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 properties14%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light10%
G01MTesting static or dynamic balance of machines or structures10%
H04LTransmission of digital information, e.g. telegraphic communication10%
F02PIgnition, other than compression ignition, for internal-combustion engines7%
H01TSpark gaps7%
H04QSelecting7%
F02DControlling combustion engines3%
G01DMeasuring not specially adapted for a specific variable3%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
PatentTitleYear
10,627,346Refractive index measuring device and refractive index measuring method202010,416,077V-block refractometer201910,393,651Attachment for liquid sample measurement, refractive index measuring device and refractive index measuring method201910,031,021Optical measurement probe and optical measurement device provided with the same having a light guide with a reflection surface for reflecting light and causing light to enter the light guide20189,759,178'Plug built-in type optical measurement probe, and optical measurement device provided with the same'20179,239,298'Optical measurement probe, and optical measurement device provided with the same'20168,276,100'Input control device'20126,393,064'Communication method, data transmission method and data communication system'20026,307,702'Method of writing servo tracks on magnetic disc and device for the same'20015,637,414'Method and system for controlling output of fuel cell power generator'19975,394,395'Cell delay addition circuit'19955,291,483'Cell transfer method and cell receiving apparatus'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2002Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (3)· patent assignee history
1994–1995Patents assigned to KOKUSAI DENSHIN DENWA CO LTD (2)· patent assignee history
1994–2002Based in Yokohama, JP· patent location history
1997Patents assigned to FUJI ELECTRIC CO LTD (1)· patent assignee history
1997–2001Based in Kawasaki, JP· patent location history
2012Based in Kanagawa, JP· patent location history
2016–2020Patents assigned to SHIMADZU CORP (6)· patent assignee history
2016–2018Patents assigned to HONDA MOTOR CO LTD (3)· patent assignee history
2016–2018Based in Nishinomiya, JP· patent location history
2019–2020Based in Kyoto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHIMADZU CORP | 6 | 2016–2020 |
| HONDA MOTOR CO LTD | 3 | 2016–2018 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 3 | 1994–2002 |
| KOKUSAI DENSHIN DENWA CO LTD | 2 | 1994–1995 |
| FUJI ELECTRIC CO LTD | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 3 | 2019–2020 |
| Nishinomiya, JP | 3 | 2016–2018 |
| Yokohama, JP | 3 | 1994–2002 |
| Kawasaki, JP | 2 | 1997–2001 |
| Kanagawa, JP | 1 | 2012 |