Inventor
Mitsuaki Koyama
Inventor
Sayama, JP
Overview
Patents· 24 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 properties24%
H03HImpedance networks, e.g. resonant circuits15%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock12%
G03GElectrography12%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure9%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses9%
B60TVehicle brake control systems or parts thereof3%
F16DCouplings for transmitting rotation3%
G01GWeighing3%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves3%
PatentTitleYear
9,103,748'Method for detecting microorganisms and microorganism detecting apparatus'20159,016,128'External force detecting method and external force detecting device'20158,966,980'External force detecting device and external force detecting sensor'20158,919,201'Acceleration measuring apparatus'20148,890,391'External force detection apparatus and external force detection sensor'20148,830,004'Crystal resonator and crystal oscillator'20148,802,428'Method of detecting microorganisms and microorganism detecting apparatus'20148,752,909'Brake mechanism, transport apparatus and industrial apparatus'20148,677,828'Vibration detecting device'20148,674,780'Oscillator with frequency adjustment'20148,464,577'Quartz sensor and sensing device'20138,434,351'Sensing instrument'20138,298,486'Piezoelectric resonator and sensing sensor'20128,277,731'Sensing device'20128,242,856'Piezoelectric oscillator'20127,677,087'Quartz sensor and sensing device'20107,552,639'Quartz sensor and sensing device'2009D0526583'Crystal resonator for a bio-sensor'20066,300,707'Quartz crystal unit'20016,031,319'Quartz crystal element using a thickness shear hexagonal quartz blank and method for manufacturing the same'20004,244,322'Magnetic brush type developing apparatus'19814,205,912'Electrophotographic apparatus'19804,192,604'Bias voltage source for applying a bias voltage on a magnetic brush means of an electrostatic printing apparatus'19804,185,910'Photoconductive member cleaning device using a magnetic brush for electrostatic copying machines'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1981Patents assigned to TOKYO SHIBAURA ELECTRIC CO (4)· patent assignee history
1980–1981Based in Higashikurume, JP· patent location history
1980Based in Yokohama, JP· patent location history
1980Based in Kurume, JP· patent location history
2000–2015Patents assigned to NIHON DEMPA KOGYO CO (20)· patent assignee history
2000–2014Based in Saitama, JP· patent location history
2009–2015Based in Sayama, JP· patent location history
2012–2015Patents assigned to KOYAMA MITSUAKI (14)· patent assignee history
2012–2015Patents assigned to MUTOH TAKERU (7)· patent assignee history
2014–2015Patents assigned to IWAI HIROKI (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIHON DEMPA KOGYO CO | 20 | 2000–2015 |
| KOYAMA MITSUAKIself | 14 | 2012–2015 |
| MUTOH TAKERU | 7 | 2012–2015 |
| IWAI HIROKI | 4 | 2014–2015 |
| TOKYO SHIBAURA ELECTRIC CO | 4 | 1980–1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sayama, JP | 13 | 2009–2015 |
| Saitama, JP | 7 | 2000–2014 |
| Higashikurume, JP | 2 | 1980–1981 |
| Yokohama, JP | 1 | 1980 |
| Kurume, JP | 1 | 1980 |