Inventor
Masafumi Watanabe
Inventor
Tokyo, JP
Overview
Patents· 45 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Qprimary
G01QScanning-probe techniques or apparatus17%
H04LTransmission of digital information, e.g. telegraphic communication11%
B82YSpecific uses or applications of nanostructures8%
C07CAcyclic or carbocyclic compounds7%
C07DHeterocyclic compounds7%
G06FElectric digital data processing7%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses4%
H04WWireless communication networks4%
A61BDiagnosis3%
PatentTitleYear
11,099,248Contact avoidance apparatus and medical apparatus202111,071,511Radiation tomographic imaging system and program for controlling the same202110,554,383Analysis system, analysis method, and storage medium202010,536,261Analysis system, analysis method, and storage medium202010,528,730Analysis device, analysis method, and storage medium in which analysis program is recorded202010,466,271Scanning probe microscope and optical axis adjustment method for scanning probe microscope201910,360,378Analysis device, analysis method and computer-readable recording medium201910,161,958Three-dimensional fine movement device201810,151,773Scanning probe microscope and probe contact detection method201810,063,277Clock control circuit, demodulation device and spread spectrum method20189,899,198'Method for analyzing evolved gas and evolved gas analyzer'20189,831,077Method for analyzing evolved gas and evolved gas analyzer20179,823,208'Method for measuring spreading resistance and spreading resistance microscope'20179,766,267'Actuator position calculation device, actuator position calculation method, and actuator position calculation program'20179,729,194'Clock control circuit, demodulation device and spread spectrum method'20179,067,950'Process for producing spiroglycol'20158,981,161'Process for production of ditrimethylolpropane'20158,621,660'Probe shape evaluation method for a scanning probe microscope'20138,601,609'Friction force microscope'20138,584,261'Method of determining a spring constant of a cantilever and scanning probe microscope using the method'20138,492,596'Process for production of ditrimethylolpropane'20138,458,272'Presence system and information processing equipment, dynamic buddy list generation method in presence system, and presence notification destination controlling method and its program for use with presence system'20138,024,816'Approach method for probe and sample in scanning probe microscope'20118,001,831'Positioning apparatus and scanning probe microscope employing the same'20117,990,191'Digital phase-locked loop'20117,953,811'Presence system and information processing equipment, dynamic buddy list generation method in presence system, and presence notification destination controlling method and its program for use with presence system'20117,945,679'Presence service system, a presence apparatus, a presence service method, and a presence service program'20117,926,328'Sample manipulating apparatus'20117,915,431'Process for production of flake-like dried 2-(5-ethyl-5-hydroxymethyl-1,3-dioxan-2-yl)-2-methylpropan-1-ol'20117,844,667'Presence system and information processing equipment, dynamic buddy list generation method in presence system, and presence notification destination controlling method and its program for use with presence system'20107,814,120'List management server for managing updating of list by third-party terminal, list management system, list managing method, and program'20107,752,273'Group communication system based on presence information and client device'20107,595,671'PLL circuit'20097,564,293'Signal conversion circuit'20097,545,223'PLL circuit'20097,456,300'Process of producing dioxane glycol'20087,427,744'Piezoelectric actuator and scanning probe microscope using the same'20087,368,612'Method of producing high-purity hydroxypivalaldehyde and/or dimer thereof'20087,251,987'Scanning probe microscope and measuring method by means of the same'20077,224,973'Communication agent apparatus'20077,153,999'Production of dimethylolcarboxylic acid'20067,087,800'Process for producing a polyol'20064,764,959'Single-chip microcomputer with encryptable function on program memory'19884,144,587'Counting level \"1\" bits to minimize ROM active elements'19794,130,900'Memory with common read/write data line and write-in latch circuit'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1988Based in Kawasaki, JP· patent location history
2006–2015Patents assigned to MITSUBISHI GAS CHEMICAL CO (8)· patent assignee history
2006–2015Based in Okayama, JP· patent location history
2007–2020Patents assigned to NEC CORP (11)· patent assignee history
2007–2013Patents assigned to SII NANOTECHNOLOGY INC (7)· patent assignee history
2007–2020Based in Tokyo, JP· patent location history
2007–2013Based in Chiba, JP· patent location history
2009–2017Based in Kanagawa, JP· patent location history
2013–2015Patents assigned to WATANABE MASAFUMI (6)· patent assignee history
2013–2019Patents assigned to HITACHI HIGH TECH SCIENCE CORP (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 11 | 2007–2020 |
| MITSUBISHI GAS CHEMICAL CO | 8 | 2006–2015 |
| SII NANOTECHNOLOGY INC | 7 | 2007–2013 |
| WATANABE MASAFUMIself | 6 | 2013–2015 |
| HITACHI HIGH TECH SCIENCE CORP | 5 | 2013–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 20 | 2007–2020 |
| Okayama, JP | 7 | 2006–2015 |
| Chiba, JP | 7 | 2007–2013 |
| Kanagawa, JP | 5 | 2009–2017 |
| Kawasaki, JP | 3 | 1978–1988 |