Inventor
Shigeru Ichikawa
Inventor
Hamamatsu, JP
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Cprimary
G01CMeasuring distances, levels or bearings20%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light20%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock20%
H01JElectric discharge tubes or discharge lamps20%
H03HImpedance networks, e.g. resonant circuits20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012Patents assigned to ICHIKAWA SO (1)· patent assignee history
2012Patents assigned to NISHIZAWA RYUTA (1)· patent assignee history
2012Patents assigned to SEIKO EPSON CORP (1)· patent assignee history
2012Based in Okaya, JP· patent location history
2021Patents assigned to HAMAMATSU PHOTONICS KK (1)· patent assignee history
2021Based in Hamamatsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HAMAMATSU PHOTONICS KK | 1 | 2021 |
| ICHIKAWA SOself | 1 | 2012 |
| NISHIZAWA RYUTA | 1 | 2012 |
| SEIKO EPSON CORP | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 1 | 2021 |
| Okaya, JP | 1 | 2012 |