Kazuhiko Ogawa
18Patents
5h-index
26Co-inventors
66Inventor score
Filing activity: Nov 4, 1976 → Mar 6, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4673486A | Process for thermal cracking of residual oils | Chemistry; Metallurgy | 15 | Expired |
| US8060243B2 | Sorting apparatus | Performing Operations; Transporting | 15 | Active |
| US8731740B2 | Automatic warehouse and warehousing method into automatic warehouse | Performing Operations; Transporting | 11 | Active |
| US7872193B2 | Solar panel and production method therefor | Emerging Cross-Sectional Technologies | 9 | Active |
| US8499920B2 | Conveyor device | Physics | 6 | Active |
| US4121926A | Squirrel-cage rotor | Electricity | 5 | Expired |
| US6338468B1 | Butterfly valve with low noise | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7906365B2 | Method of manufacturing solar cell panel | Emerging Cross-Sectional Technologies | 5 | Active |
| US7393597B2 | Welded joint made of an austenitic steel | Emerging Cross-Sectional Technologies | 4 | Active |
| US7848231B2 | Packet communication network and packet communication method | Electricity | 3 | Active |
| US8948909B2 | Article loading system, article loading and carrying-out method | Performing Operations; Transporting | 2 | Active |
| US8238325B2 | Packet communication network and packet communication method | Electricity | 2 | Active |
| US8612110B2 | Traveling vehicle system and traveling control method | Performing Operations; Transporting | 1 | Active |
| US9327902B2 | Conveyor vehicle and conveyor method | Performing Operations; Transporting | 1 | Active |
| US8696835B2 | Austenitic stainless steel for hydrogen gas and a method for its manufacture | Emerging Cross-Sectional Technologies | 0 | Active |
| US9487355B2 | Automated warehouse | Performing Operations; Transporting | 0 | Active |
| US7868245B2 | Solar panel and production method therefor | Emerging Cross-Sectional Technologies | 0 | Expired |
| US8851818B2 | Automatic warehouse and control method thereof | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.