Nobuo Kato
71Patents
18h-index
124Co-inventors
87Inventor score
Filing activity: Aug 22, 1975 → Mar 20, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5350243A | Tape cassette | Performing Operations; Transporting | 118 | Expired |
| USD542334S1 | Tape cartridge for tape printing machine | General | 97 | Expired |
| USD534203S1 | Tape cartridge for tape printing machine | General | 95 | Expired |
| US5667255A | Joint structure for joining a branch member to a high pressure fuel rail | Mechanical Engineering; Lighting; Heating | 48 | Expired |
| US6066921A | Discharge lamp lighting device | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4001177A | Flame-retarding polyamide composition | Chemistry; Metallurgy | 28 | Expired |
| US5712138A | Fructosyl amino acid oxidase | Chemistry; Metallurgy | 25 | Expired |
| US4070957A | Ice cream machine | Human Necessities | 24 | Expired |
| US5311476A | Semiconductor memory, components and layout arrangements thereof, and method of testing the memory | Physics | 23 | Expired |
| US5789221A | Fructosyl amino acid oxidase and process for producing the same | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6840283B2 | High-pressure fuel injection pipe having connecting head portion | Performing Operations; Transporting | 22 | Expired |
| US5903964A | Common rail and method of manufacturing same | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6843275B2 | High-pressure fuel injection pipe | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US6033867A | Fructosyl amino acid oxidase, process for producing the same, and method of assaying amadori compounds using the enzyme | Physics | 21 | Expired |
| US6431608B1 | High pressure fuel injection pipe for diesel engine | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5824527A | Fructosyl amino acid oxidase and process for producing the same | Chemistry; Metallurgy | 19 | Expired |
| US5823806A | Lamp socket | Electricity | 18 | Expired |
| US8186724B2 | Connecting head structure for high-pressure fuel injection pipes | Mechanical Engineering; Lighting; Heating | 18 | Active |
| US6140077A | Method for producing phytase | Chemistry; Metallurgy | 17 | Expired |
| US6431243B1 | Laminating apparatus | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6171828A | Method for culturing microorganisms having a methanol metabolic pathway | Chemistry; Metallurgy | 16 | Expired |
| US5467315A | Semiconductor memory device facilitated with plural self-refresh modes | Physics | 15 | Expired |
| US4471088A | Copolyamide from 1,4-cyclohexane dicarboxylic acid and diamine mixture | Chemistry; Metallurgy | 15 | Expired |
| US6578618B2 | Laminating apparatus | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6286556A | High-pressure fuel injection pipe for diesel engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.