Koji Tatsumi
17Patents
3h-index
30Co-inventors
60Inventor score
Filing activity: Mar 16, 1998 → Jun 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7709148B2 | Lithium-containing composite oxide and its production process | Emerging Cross-Sectional Technologies | 20 | Active |
| US7504180B2 | Positive electrode material for lithium secondary battery and process for producing the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7615315B2 | Positive electrode material for lithium secondary cell and process for producing the same | Emerging Cross-Sectional Technologies | 9 | Active |
| US6487173B2 | Network system and communication device | Electricity | 3 | Expired |
| US7270797B2 | Process for producing positive electrode active material for lithium secondary battery | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7935305B2 | Hydrogen storage alloy, production method therefor and nickel-hydrogen secondary battery-use cathode | Emerging Cross-Sectional Technologies | 1 | Active |
| US7724751B2 | System for supporting communications among ATM devices, device for supporting data transmission, method for sending data, and computer program product | Electricity | 1 | Active |
| US8287828B2 | Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery | Emerging Cross-Sectional Technologies | 1 | Active |
| US10612150B2 | SnAg alloy plating solution | Chemistry; Metallurgy | 1 | Active |
| US11692277B2 | High-concentration tin sulfonate aqueous solution and method for producing same | Chemistry; Metallurgy | 0 | Active |
| US11053600B2 | Tin or tin alloy plating solution and bump forming method | Electricity | 0 | Active |
| US7160502B2 | Method for producing anode for rechargeable battery | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11879182B2 | Tin alloy plating solution | Electricity | 0 | Active |
| US11525187B2 | High-concentration tin sulfonate aqueous solution and method for producing same | Chemistry; Metallurgy | 0 | Active |
| US11060200B2 | Tin alloy plating solution | Chemistry; Metallurgy | 0 | Active |
| US10105078B2 | Method for managing health condition, health condition management apparatus, and health condition management system | Human Necessities | 0 | Active |
| US8551658B2 | Process for producing lithium-containing composite oxide | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.