Inventor
Hiroyuki Kihara
Inventor
Kodaira, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Bprimary
B24BMachines, devices, or processes for grinding or polishing15%
G04GElectronic time-pieces12%
G01CMeasuring distances, levels or bearings9%
G05BControl or regulating systems in general9%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles6%
G04BMechanically-driven clocks or watches6%
G04CElectromechanical clocks or watches6%
A61BDiagnosis3%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%
B63CLaunching, hauling-out, or dry-docking of vessels3%
PatentTitleYear
10,471,909Clip and mounting structure of door trim20197,565,058'File recording apparatus and editing method for video effect'20096,817,925'Multistage fine hole machining method and device'20046,542,440'Power-saving electronic watch and method for operating electronic watch'20036,298,014'Time information management system'20016,095,590'Windbreak aero-board apparatus for open-top vehicle'20005,973,469'Motor driving apparatus'19995,788,432'Method and apparatus for computing allowable spindle rotation speed'19985,743,269'Cardiotachometer'19985,519,671'Electronic equipment with depth measuring function'19965,224,059'Device for measuring altitude and barometric pressure'19935,133,158'Control system of grinding machine'19925,024,025'Control system of grinding machine'19915,018,071'Method and apparatus for controlling a grinder having a spindle with deflection sensor'19914,879,669'Sensor signal processor'19894,845,895'Internal grinding machine'19894,668,100'Electronic equipment with geomagnetic direction sensor'19874,597,673'Analogue type timer'19864,505,594'Multi-function analogue type watch'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2003Patents assigned to CITIZEN WATCH CO LTD (10)· patent assignee history
1987–1999Based in Kodaira, JP· patent location history
1989–1998Patents assigned to SEIKO SEIKI KK (5)· patent assignee history
1989–1992Based in Narashino, JP· patent location history
1998–2004Based in Chiba, JP· patent location history
2000Patents assigned to MAZDA MOTOR (1)· patent assignee history
2000–2019Based in Hiroshima, JP· patent location history
2001–2009Based in Tokyo, JP· patent location history
2004Patents assigned to SEIKO INSTR INC (1)· patent assignee history
2019Patents assigned to NIFCO INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CITIZEN WATCH CO LTD | 10 | 1985–2003 |
| SEIKO SEIKI KK | 5 | 1989–1998 |
| MAZDA MOTOR | 1 | 2000 |
| NIFCO INC | 1 | 2019 |
| SEIKO INSTR INC | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kodaira, JP | 6 | 1987–1999 |
| Narashino, JP | 4 | 1989–1992 |
| Tokyo, JP | 3 | 2001–2009 |
| Hiroshima, JP | 2 | 2000–2019 |
| Chiba, JP | 2 | 1998–2004 |