Inventor
Junichi Matsuura
Inventor
Kamakura, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation14%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner14%
Y10TTechnical subjects covered by former us classification14%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses9%
B23PMetal-working not otherwise provided for5%
C01BNon-metallic elements5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
C08LCompositions of macromolecular compounds5%
F01LCyclically operating valves for machines or engines5%
F16HGearing5%
PatentTitleYear
7,578,276'Automatic tappet clearance adjusting device'20097,279,998'Voltage-controlled oscillator'20077,253,695'Function generating circuit and temperature characteristic controlling method for function generating circuit'20077,183,867'Voltage controlled variable capacitor'20076,292,066'Function generator, crystal oscillation device and method of adjusting crystal oscillation device'20015,993,364'Apparatus for tightening connecting rod attachment members'19995,339,239'Information collecting and/or service furnishing systems by which a user can request information from a central data base using a portable personal terminal and an access terminal'19944,818,255'Material for gas separation'19894,794,942'Air breather plug assembly for use in power transmission unit'19894,714,481'Gas separation membrane'19874,662,905'Selective gas separator'19874,239,793'Gas separation membrane'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1987Patents assigned to MITSUBISHI CHEM IND (2)· patent assignee history
1980–1989Based in Kamakura, JP· patent location history
1987Patents assigned to AGENCY IND SCIENCE TECHN (1)· patent assignee history
1994Patents assigned to HUDSON SOFT CO LTD (1)· patent assignee history
1994–2007Based in Tokyo, JP· patent location history
1999–2009Patents assigned to HONDA MOTOR CO LTD (2)· patent assignee history
2001–2007Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (4)· patent assignee history
2001Based in Kanagawa, JP· patent location history
2007Based in Inagi, JP· patent location history
2009Based in Sayama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 4 | 2001–2007 |
| HONDA MOTOR CO LTD | 2 | 1999–2009 |
| MITSUBISHI CHEM IND | 2 | 1980–1987 |
| AGENCY IND SCIENCE TECHN | 1 | 1987 |
| HUDSON SOFT CO LTD | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kamakura, JP | 4 | 1980–1989 |
| Tokyo, JP | 3 | 1994–2007 |
| Sayama, JP | 1 | 2009 |
| Inagi, JP | 1 | 2007 |
| Kanagawa, JP | 1 | 2001 |