Inventor
Hikosaburo Hiraki
Inventor
Oyama, JP
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Hprimary
F16HGearing22%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles14%
B60LPropulsion of electrically-propelled vehicles12%
B60WConjoint control of vehicle sub-units of different type or different function12%
Y02TClimate change mitigation technologies related to transportation12%
E02FDredging7%
B62DMotor vehicles5%
F15BSystems acting by means of fluids in general5%
F02DControlling combustion engines2%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof2%
PatentTitleYear
8,277,353'Transmission system'20128,241,162'Transmission system'20128,157,687'Transmission system'20128,142,319'Transmission system'20128,137,228'Transmission system'20127,972,236'Transmission system'20117,971,434'Device and method for continuously variable transmission of traveling vehicle'20117,717,816'Transmission'20107,448,976'Speed-changing device'20087,416,503'Speed-changing device'20086,962,050'Hybrid machine with hydraulic drive device'20056,912,849'Cylinder driving system and energy regenerating method thereof'20056,601,664'Crawler device for a crawler type vehicle'20036,334,496'Crawler device for a crawler type vehicle'20026,283,562'Triangular crawler apparatus'20016,182,448'Speed changing device for hydraulic driving apparatus and speed change control method thereof'20016,058,029'Power unit for generating discharge shock waves'20005,988,610'Liquid sealed suspension unit'19995,957,235'Traveling drive apparatus in a working vehicle'19995,784,883'Method of controlling speed change of hydraulic drive device for vehicle and speed change device'19985,423,655'Working machine for hydraulic excavator'19954,919,093'Internal combustion engine'19904,917,063'Method for setting the vehicle-engine torque'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2012Patents assigned to KOMATSU MFG CO LTD (23)· patent assignee history
1990–2012Based in Oyama, JP· patent location history
1990–2010Based in Tochigi, JP· patent location history
1995–1999Based in Kanagawa, JP· patent location history
1999Patents assigned to FUKOKU KK (1)· patent assignee history
1999Based in Ishikawa, JP· patent location history
2011Based in Tokyo, JP· patent location history
2012Patents assigned to HIRAKI HIKOSABURO (5)· patent assignee history
2012Patents assigned to KOMATSU TAKEHIRO (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOMATSU MFG CO LTD | 23 | 1990–2012 |
| HIRAKI HIKOSABUROself | 5 | 2012 |
| KOMATSU TAKEHIRO | 5 | 2012 |
| FUKOKU KK | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oyama, JP | 17 | 1990–2012 |
| Tochigi, JP | 2 | 1990–2010 |
| Kanagawa, JP | 2 | 1995–1999 |
| Tokyo, JP | 1 | 2011 |
| Ishikawa, JP | 1 | 1999 |