Inventor
Rikoku Nakamura
Inventor
Yamanashi, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Lprimary
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure38%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner25%
F02DControlling combustion engines13%
G04CElectromechanical clocks or watches13%
G09GArrangements or circuits for control of indicating devices using static means to present variable information13%
PatentTitleYear
10,247,634Disconnection detection circuit of pressure detection device201910,054,509Pressure detection device20189,945,750Pressure detection device20187,728,685'Temperature compensation oscillator and method for manufacturing the same'20106,507,248'Voltage-controlled crystal oscillator'20036,301,198'Electronic timepiece'20016,023,252'Liquid crystal display device'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2019Patents assigned to CITIZEN WATCH CO LTD (5)· patent assignee history
2000Based in Tokorozawa, JP· patent location history
2001Based in Hoya, JP· patent location history
2003Based in Nishitokyo, JP· patent location history
2010–2019Patents assigned to CITIZEN HOLDINGS CO LTD (4)· patent assignee history
2010Patents assigned to CITIZEN FINETECH MIYOTA CO LTD (1)· patent assignee history
2010Based in Tokyo, JP· patent location history
2018–2019Patents assigned to CITIZEN FINEDEVICE CO LTD (3)· patent assignee history
2018–2019Based in Yamanashi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CITIZEN WATCH CO LTD | 5 | 2000–2019 |
| CITIZEN HOLDINGS CO LTD | 4 | 2010–2019 |
| CITIZEN FINEDEVICE CO LTD | 3 | 2018–2019 |
| CITIZEN FINETECH MIYOTA CO LTD | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yamanashi, JP | 3 | 2018–2019 |
| Tokyo, JP | 1 | 2010 |
| Nishitokyo, JP | 1 | 2003 |
| Hoya, JP | 1 | 2001 |
| Tokorozawa, JP | 1 | 2000 |