Inventor
Masuyoshi Yamada
Inventor
Ichikawa, JP
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps47%
G01NInvestigating or analysing materials by determining their chemical or physical properties28%
A61BDiagnosis4%
F23GCremation furnaces2%
G06KGraphical data reading2%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes2%
G06VImage or video recognition or understanding2%
G08BSignalling systems, e.g. personal calling systems2%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy2%
H04NPictorial communication, e.g. television2%
PatentTitleYear
10,859,524Humidity sensing element and hygrometer202010,436,807Authentication system and authentication method for detecting breath alcohol2019D0809409'Breath alcohol content analyzer'20189,543,135'Mass spectrometer and mass analyzing method for efficiently ionizing a sample with less carry-over'20179,184,037'Mass spectrometer and mass analyzing method'20159,171,704'Mass spectrometer'20159,105,453'Mass spectrometer and mass spectrometry'20158,866,070'Mass spectrometer'20148,835,834'Mass spectrometer and mass spectrometry method'20148,803,084'Mass spectrometer and mass spectrometry'20148,368,013'Analyzer, ionization apparatus and analyzing method'20138,319,194'Drug detection equipment'20128,253,097'Mass spectrometer and method of mass spectrometry'20127,882,754'Gas component collector, gas component collecting device, filter producing method, and gas component analyzing apparatus'20117,420,180'Mass spectrometer and mass spectrometry'20087,375,316'Mass spectrometer and mass spectrometry'20087,064,320'Mass chromatograph'20066,852,970'Mass spectrometer'20056,840,120'Explosive detection system and sample collecting device'20056,838,664'Mass spectrometer, mass spectrometry, and monitoring system'20056,686,592'Mass spectrometer, mass spectrometry, and monitoring system'20046,677,582'Ion source and mass spectrometer'20046,639,215'Ion source and mass spectrometer'20036,580,067'Sample analyzing monitor and combustion control system using the same'20036,571,649'Explosive detection system and sample collecting device'20036,295,860'Explosive detection system and sample collecting device'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2020Patents assigned to HITACHI LTD (17)· patent assignee history
2001–2017Based in Ichikawa, JP· patent location history
2012–2017Patents assigned to HITACHI HIGH TECH CORP (9)· patent assignee history
2012–2017Patents assigned to YAMADA MASUYOSHI (7)· patent assignee history
2013–2017Patents assigned to HASEGAWA HIDEKI (5)· patent assignee history
2013–2017Patents assigned to HASHIMOTO YUICHIRO (5)· patent assignee history
2015–2020Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 17 | 2001–2020 |
| HITACHI HIGH TECH CORP | 9 | 2012–2017 |
| YAMADA MASUYOSHIself | 7 | 2012–2017 |
| HASEGAWA HIDEKI | 5 | 2013–2017 |
| HASHIMOTO YUICHIRO | 5 | 2013–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ichikawa, JP | 22 | 2001–2017 |
| Tokyo, JP | 4 | 2015–2020 |