Inventor
Yumi Naito
Inventor
Sodegaura, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light40%
B82YSpecific uses or applications of nanostructures33%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
H01JElectric discharge tubes or discharge lamps7%
H04BTransmission7%
H10HInorganic light-emitting semiconductor devices having potential barriers7%
PatentTitleYear
11,031,228Mass spectrometry device and mass spectrometry method20216,546,032'Semiconductor laser apparatus'20036,285,699'Semiconductor laser device'20016,175,582'Semiconductor laser device'20016,171,878'Method of fabricating semiconductor laser using selective growth'20016,118,799'Semiconductor laser device'20005,949,807'Semiconductor laser device'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2003Patents assigned to MITSUI CHEMICALS INC (6)· patent assignee history
1999–2001Based in Sodegaura, JP· patent location history
2003Based in Ithaca, NY, US· 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 |
|---|---|---|
| MITSUI CHEMICALS INC | 6 | 1999–2003 |
| HAMAMATSU PHOTONICS KK | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sodegaura, JP | 5 | 1999–2001 |
| Hamamatsu, JP | 1 | 2021 |
| Ithaca, New York, US | 1 | 2003 |