Inventor
Hiroki Iwai
Inventor
Saitama, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Hprimary
H03HImpedance networks, e.g. resonant circuits30%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock12%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure9%
Y10TTechnical subjects covered by former us classification9%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general3%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%
B81BMicrostructural devices or systems, e.g. micromechanical devices3%
F21SNon-portable lighting devices3%
G01CMeasuring distances, levels or bearings3%
G01SRadio direction-finding3%
PatentTitleYear
10,981,491In-vehicle light apparatus202110,957,028Image generation device, image generation method and recording medium20219,016,128'External force detecting method and external force detecting device'20158,966,980'External force detecting device and external force detecting sensor'20158,933,615'Tuning fork piezoelectric vibrator with clearance groove formed on the base side of the package'20158,919,201'Acceleration measuring apparatus'20148,890,391'External force detection apparatus and external force detection sensor'20148,736,152'Piezoelectric vibrating pieces and associated devices exhibiting enhanced electrical field'20148,729,780'Piezoelectric vibrating pieces and corresponding devices exhibiting reduced vibration leakage'20148,610,338'Tuning-fork type piezoelectric vibrating piece with enhanced frequency adjustment and piezoelectric device incorporating same'20138,525,491'Vehicle generator'20138,390,180'Surface mounted crystal resonator'20138,174,171'Piezoelectric vibrating devices having bisymmetric vibrating arms and supporting arms, and devices comprising same'20128,120,234'Piezoelectric frames and piezoelectric devices comprising same'20128,110,966'Piezoelectric frames and piezoelectric devices comprising same'20128,110,965'Piezoelectric devices having improved impact resistance'20127,982,374'Piezoelectric vibrating piece with extended supporting arms'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2015Based in Saitama, JP· patent location history
2012–2015Patents assigned to IWAI HIROKI (13)· patent assignee history
2012–2015Patents assigned to NIHON DEMPA KOGYO CO (13)· patent assignee history
2013Based in Toyoake, JP· patent location history
2014–2015Patents assigned to KOYAMA MITSUAKI (4)· patent assignee history
2014–2015Patents assigned to MUTOH TAKERU (4)· patent assignee history
2014–2015Patents assigned to ICHIKAWA RYOICHI (3)· patent assignee history
2015Based in Sayama, JP· patent location history
2021Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IWAI HIROKIself | 13 | 2012–2015 |
| NIHON DEMPA KOGYO CO | 13 | 2012–2015 |
| KOYAMA MITSUAKI | 4 | 2014–2015 |
| MUTOH TAKERU | 4 | 2014–2015 |
| ICHIKAWA RYOICHI | 3 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 12 | 2011–2015 |
| Osaka, JP | 2 | 2021 |
| Sayama, JP | 2 | 2015 |
| Toyoake, JP | 1 | 2013 |