Inventor
Yasushi Watase
Inventor
Hamamatsu, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps75%
H04NPictorial communication, e.g. television17%
G21KHandling of particles or ionising radiation not otherwise provided for8%
PatentTitleYear
5,633,562'Reflection mode alkali photocathode, and photomultiplier using the same'19975,633,493'Image tube having a YAG crystal'19975,623,182'Reflections mode alkali photocathode and photomultiplier using the same'19975,561,347'Photomultiplier'19965,557,166'Reflection-type photoelectronic surface and photomultiplier'19965,463,272'Cathode for photoelectric emission, cathode for secondary electron emission, electron multiplier tube, and photomultiplier tube'19955,210,403'Radiation detecting device with a photocathode being inclined to a light incident surface'19935,095,202'Proximity image intensifier'19924,980,772'Image pickup device incorporated with image intensifier tube'19904,974,090'Image pickup device incorporated with image intensifier tube'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1997Patents assigned to HAMAMATSU PHOTONICS KK (10)· patent assignee history
1990Patents assigned to JAPAN BROADCASTING CORP (2)· patent assignee history
1990Based in Shizuoka, JP· patent location history
1992–1997Based in Hamamatsu, JP· patent location history
1997Based in Hamamatu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HAMAMATSU PHOTONICS KK | 10 | 1990–1997 |
| JAPAN BROADCASTING CORP | 2 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 7 | 1992–1997 |
| Shizuoka, JP | 2 | 1990 |
| Hamamatu, JP | 1 | 1997 |