Inventor
Shinji Yagawara
Inventor
Yokohama, JP
Overview
Patents· 8 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 properties64%
Y10TTechnical subjects covered by former us classification18%
G01FMeasuring volume, volume flow, mass flow or liquid level9%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock9%
PatentTitleYear
5,250,170'Gas sensor having metal-oxide semiconductor layer'19935,147,523'Thin film gas sensor'19925,019,885'Gas detecting device'19915,012,671'Gas detecting device'19915,003,812'Gas detecting device'19914,984,446'Gas detecting device and gas detecting system using the same'19914,967,589'Gas detecting device'19904,947,688'Flow velocity sensor'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1993Patents assigned to RICOH KK (8)· patent assignee history
1990–1991Patents assigned to RICOH SEIKI CO LTD (2)· patent assignee history
1990–1993Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 8 | 1990–1993 |
| RICOH SEIKI CO LTD | 2 | 1990–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 8 | 1990–1993 |