Koji Yamato
22Patents
9h-index
50Co-inventors
78Inventor score
Filing activity: Jun 6, 1985 → Feb 26, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6721417B2 | Method and apparatus for controlling network automatic call distribution | Electricity | 32 | Expired |
| US4702802A | Method for making high corrosion resistance composite plated steel strip | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5852656A | Electronic conference system and conference server apparatus | Electricity | 27 | Expired |
| US5548578A | LAN-to-LAN communication method, and LAN-to-LAN connecting unit | Electricity | 25 | Expired |
| US5147730A | Steel plate with organic coating having improved corrosion resistance | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5451323A | Method for recovering and reproducing tinning liquid | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4650724A | High corrosion resistance composite plated steel strip | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5019460A | Galvannealed steel sheet having improved spot-weldability | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5395687A | Surface-treated aluminum material having improved spot resistance weldability, workability, and corrosion resistance | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6687357B1 | Arbitration-type call establishing system method and storage medium | Electricity | 7 | Expired |
| US5662864A | Fe-Cr alloy exhibiting excellent ridging resistance and surface characteristics | Chemistry; Metallurgy | 6 | Expired |
| US5709836A | Chromium steel sheets having an excellent press formability | Chemistry; Metallurgy | 5 | Expired |
| US6811925B2 | Nonaqueous electrolyte secondary cell and a tungsten or molybdenum substituted lithium positive electrode active material | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5147729A | Steel plate with organic coating having improved corrosion resistance in as-worked state | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5433796A | Method for preparing galvanized steel strip having minimal uncoated defects | Chemistry; Metallurgy | 4 | Expired |
| US5653825A | Ferrite-type hot-rolled stainless steel sheet having excellent resistance to surface roughening and to high-temperature fatigue after working | Chemistry; Metallurgy | 4 | Expired |
| US5076549A | Continuous dip-plating apparatus for steel strip | Chemistry; Metallurgy | 2 | Expired |
| US9812819B2 | Power cord | Electricity | 1 | Active |
| US6295352A | Switching system for automatic call distribution and new operation training | Electricity | 0 | Expired |
| US9260021B2 | Signal generation circuit | Emerging Cross-Sectional Technologies | 0 | Active |
| US5127966A | Method of producing hot-dip galvannealed steel sheet free of Ti white-stripe defects | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10367346B2 | Electric leakage protection device and feed control device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.