Inventor
Hisao Ohsawa
Inventor
Yachiyo, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer67%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
PatentTitleYear
5,636,195'Optical recording method and reproducing method and recording apparatus and reproducing apparatus utilizing stimulated photon echo'19975,568,460'Optical recording and/or reproducing apparatus and method utilizing stimulated photon echo'19965,273,631'Method for continuously determining concentration of chloride ions and bromide ions contained in serum'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Patents assigned to NIPPON FILCON KK (1)· patent assignee history
1993Based in Tokyo, JP· patent location history
1996–1997Patents assigned to NIKON CORP (2)· patent assignee history
1996–1997Based in Yachiyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIKON CORP | 2 | 1996–1997 |
| NIPPON FILCON KK | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yachiyo, JP | 2 | 1996–1997 |
| Tokyo, JP | 1 | 1993 |