Inventor
HIROSHI HAYAKAWA
Inventor
JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing33%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light17%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
G02BOptical elements, systems or apparatus17%
H04LTransmission of digital information, e.g. telegraphic communication17%
PatentTitleYear
12,449,575Reflective polarized light separation and diffraction element and optical measurement device comprising same202511,487,440Evaluation system for evaluating resource operation of information system by user202211,429,278Storage system and information processing method by storage system2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022Patents assigned to HITACHI LTD (2)· patent assignee history
2022–2025Based in JP· patent location history
2025Patents assigned to AIST (1)· patent assignee history
2025Patents assigned to JASCO CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 2 | 2022 |
| AIST | 1 | 2025 |
| JASCO CORP | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 3 | 2022–2025 |