Hirohiko Morikawa
15Patents
8h-index
22Co-inventors
72Inventor score
Filing activity: Feb 8, 1989 → Dec 26, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6425644B2 | Braking pressure control apparatus having device for diagnosing manually operated hydraulic system | Performing Operations; Transporting | 19 | Expired |
| US4957330A | Braking device having an automatic fluid pressure regulating function | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5979997A | Hydraulic brake control apparatus | Performing Operations; Transporting | 14 | Expired |
| US5114216A | Anti-lock brake system having flow restrictor | Performing Operations; Transporting | 13 | Expired |
| US6007164A | Brake fluid pressure control apparatus for compensating a malfunction of brake operational force sensor | Performing Operations; Transporting | 13 | Expired |
| US5951120A | Hydraulic brake control apparatus | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6123397A | Brake fluid pressure control device | Performing Operations; Transporting | 11 | Expired |
| US5865453A | Vehicle height adjusting suspension including differential pressure valve | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5992949A | Hydraulic brake control apparatus | Performing Operations; Transporting | 4 | Expired |
| US11900684B2 | Server, vehicle detection system, and vehicle detection method | Physics | 1 | Active |
| US11893652B2 | Control device, program, and control method | Physics | 1 | Active |
| US12150022B2 | Method, information processing device, and non-transitory storage medium | Electricity | 0 | Active |
| US12272147B2 | Server, vehicle detection system, and vehicle detection method | Physics | 0 | Active |
| US10249907B2 | Nonaqueous electrolyte secondary battery, method for producing same and nonaqueous electrolyte | Emerging Cross-Sectional Technologies | 0 | Active |
| US12154184B2 | Control device, program, and control method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.