HO

Hiroya Ohkumo

SU Subaru: 32 patents #8 of 1,436Top 1%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Koganei, JP: #18 of 449 inventorsTop 5%
Overall (All Time): #114,528 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
5267544 Crank angle and cylinder number detecting system and method for internal combustion engine Syuuzi Miyama, Masakatsu Fujishita, Makoto Tamura 1993-12-07
5076230 Idle speed control system for an engine 1991-12-31
5056326 Apparatus for controlling air conditioning unit for automotive vehicle Shuji Miyama 1991-10-15
5038736 Method for controlling ignition timing of an internal combustion engine Shuji Miyama 1991-08-13
5035219 Method for controlling ignition timing of an internal combustion engine Shuji Miyama 1991-07-30
5016590 System for controlling ignition timing of an internal combustion engine 1991-05-21
5002026 Engine idle speed control apparatus Shuji Miyama 1991-03-26
5000150 Method for controlling ignition timing of an internal combustion engine Shuji Miyama 1991-03-19
4989562 Trouble detector system for an intake system of an automotive engine Shuji Miyama 1991-02-05
4976139 Trouble detector system for an intake system of an automotive engine Shuji Miyama 1990-12-11
4911275 System for controlling a clutch for a vehicle Ryuzo Sakakiyama 1990-03-27
4903526 Trouble detector system for an intake system of an automotive engine Shuji Miyama 1990-02-27
4903658 Control method for idling speed of an engine Shuji Miyama 1990-02-27
4880094 Control system for a clutch for a vehicle 1989-11-14
4848544 Control system for a clutch for a vehicle Ryuzo Sakakiyama 1989-07-18
4848528 Control system for an electromagnetic clutch for a vehicle Ryuzo Sakakiyama 1989-07-18
4846321 Control system for a clutch for a vehicle 1989-07-11
4846127 Fuel supply control system for an automotive engine Syuuji Miyama 1989-07-11
4834226 Control system for an electromagnetic clutch for a vehicle Ryuzo Sakakiyama 1989-05-30
4830155 Control system for a clutch for a vehicle Ryuzo Sakakiyama 1989-05-16
4825991 Control system for a clutch for a vehicle 1989-05-02
4823555 System for controlling a compressor of an air conditioner for motor vehicles 1989-04-25
4823644 Fail safe for a continuously variable transmission 1989-04-25
4823925 Control system for a clutch for a vehicle Ryuzo Sakakiyama 1989-04-25
4805751 System for controlling a clutch for a motor vehicle Ryuzo Sakakiyama 1989-02-21