Kenji Oi
19Patents
5h-index
28Co-inventors
66Inventor score
Filing activity: May 15, 1996 → May 13, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8220632B2 | Packaged absorbent product having translucent area | Human Necessities | 46 | Active |
| US8604382B2 | Method for manufacturing a laser welded steel pipe | Performing Operations; Transporting | 13 | Active |
| US7233592B1 | Packet transfer control circuit | Electricity | 6 | Expired |
| US10328518B2 | Resistance spot welding method | Performing Operations; Transporting | 5 | Active |
| US7648597B2 | Method for manufacturing high tensile strength steel plate | Chemistry; Metallurgy | 5 | Active |
| US6598096B1 | Device and method for controlling packet transfer | Electricity | 4 | Expired |
| US5900076A | Bainitic steel materials having a less scattering of properties and method of producing the same | Chemistry; Metallurgy | 2 | Expired |
| US9321119B2 | Combination welding method using combination of gas metal arc welding and submerged-arc welding and combination arc welding machine | Performing Operations; Transporting | 2 | Active |
| US8993920B2 | Method for producing a steel pipe using a high energy density beam | Performing Operations; Transporting | 2 | Active |
| US6198384A | System power supply control for interface circuit | Physics | 2 | Expired |
| US8728257B2 | High tensile strength steel material having excellent delayed fracture resistance property, and method of manufacturing the same | Chemistry; Metallurgy | 1 | Active |
| US7317690B2 | Method of constructing network topology and interface circuit | Electricity | 1 | Expired |
| US8785806B2 | Submerged arc welding method with multiple electrodes for steel material | Performing Operations; Transporting | 1 | Active |
| US5766381A | Method of producing bainitic steel materials having a less scattering of properties | Chemistry; Metallurgy | 1 | Expired |
| US8955554B2 | Submerged arc welding method for steel plate | Performing Operations; Transporting | 1 | Active |
| US9364921B2 | Method of manufacturing laser welded steel pipe | Performing Operations; Transporting | 1 | Active |
| US9677692B2 | Welded steel pipe joined with high-energy-density beam and method for producing the same | Performing Operations; Transporting | 1 | Active |
| US8357252B2 | High tensile strength steel having favorable delayed fracture resistance and method for manufacturing the same | Chemistry; Metallurgy | 0 | Active |
| US12208462B2 | Steel sheet assembly, method of manufacturing steel sheet assembly, and spot welding process | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.