Inventor
Masahiko Iijima
Inventor
Tokyo, JP
Overview
25→
Patents
1992–2021
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 25 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 properties17%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy15%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution15%
Y02PClimate change mitigation technologies in the production or processing of goods8%
Y10TTechnical subjects covered by former us classification8%
B01DSeparation6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C01BNon-metallic elements6%
C10GCracking hydrocarbon oils6%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
PatentTitleYear
10,976,333Automatic analysis device and automatic analysis method202110,603,667Automatic analysis device and cleaning mechanism in automatic analysis device202010,416,179Automatic analyzer2019D0849264Clinical analyzer2019D0838381Light shielding cover of a clinical analyzer20199,696,329'Automatic analyzer'20179,638,640'Automatic analyzer'20179,575,082'Automatic analysis device and automatic analysis method'20179,557,264'Automatic analysis device, and automatic analysis method'20179,506,942'Automatic analyzer and method for detecting measurement value abnormalities'20169,400,247'Automatic analyzer'20168,153,332'Fuel cell system'20127,833,675'Proton conductor, and fuel cell and fuel cell system including proton conductor'20107,829,235'Fuel cell production method and fuel cell'20107,615,297'Fuel cell'20097,491,462'Electrolyte membrane for fuel cell operable in medium temperature range, fuel cell using the same, and manufacturing methods therefor'20097,282,085'Apparatus for hydrogen separation and fuel cell system'20077,049,008'Hydrogen-permeable membrane and manufacturing method of the same'20066,702,878'Hydrogen-permeable membrane, manufacturing method of the same, and hydrogen gas separator using the same'20046,576,584'Method for producing hydrotreating catalyst'20036,436,870'Hydrotreating catalyst for hydrotreating hydrocarbon oils'20026,267,874'Hydrotreating catalyst and processes for hydrotreating hydrocarbon oil with the same'20015,692,009'Jitter measuring method and apparatus'19975,493,187'Method and apparatus for controlling brushless motor'19965,097,192'Controller of a synchronous motor'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1996Patents assigned to YAMAMOTO DENKI KK (2)· patent assignee history
1992–1996Based in Koriyama, JP· patent location history
2002–2003Patents assigned to TONEN CORP (2)· patent assignee history
2002–2012Based in Ohimachi, JP· patent location history
2004–2012Patents assigned to TOYOTA MOTOR CO LTD (8)· patent assignee history
2006–2010Based in Iruma, JP· patent location history
2010Based in Fujimino, JP· patent location history
2012Patents assigned to AOYAMA SATOSHI (1)· patent assignee history
2016–2021Patents assigned to HITACHI HIGH TECH CORP (11)· patent assignee history
2016–2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI HIGH TECH CORP | 11 | 2016–2021 |
| TOYOTA MOTOR CO LTD | 8 | 2004–2012 |
| TONEN CORP | 2 | 2002–2003 |
| YAMAMOTO DENKI KK | 2 | 1992–1996 |
| AOYAMA SATOSHI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 11 | 2016–2021 |
| Iruma, JP | 5 | 2006–2010 |
| Ohimachi, JP | 3 | 2002–2012 |
| Koriyama, JP | 2 | 1992–1996 |
| Fujimino, JP | 1 | 2010 |