Hideaki Yamada
150Patents
20h-index
197Co-inventors
93Inventor score
Filing activity: May 6, 1975 → Feb 7, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5900847A | Dielectric lens apparatus | Electricity | 224 | Expired |
| US6195058A | Dielectric lens, dielectric lens antenna including the same, and wireless device using the same | Electricity | 207 | Expired |
| US5154973A | Composite material for dielectric lens antennas | Emerging Cross-Sectional Technologies | 86 | Expired |
| US6522667B1 | Network interworking device for IP network / ATM network | Electricity | 53 | Expired |
| US6456617B1 | Routing control communication system between circuit switched network and internet | Electricity | 51 | Expired |
| US4148689A | Immobilization of microorganisms in a hydrophilic complex gel | Chemistry; Metallurgy | 49 | Expired |
| US6052087A | Antenna device and radar module | Electricity | 42 | Expired |
| US6489855B1 | Line transition device between dielectric waveguide and waveguide, and oscillator, and transmitter using the same | Electricity | 37 | Expired |
| US6737934B2 | Directional Coupler, antenna device, and transmitting-receiving device | Electricity | 36 | Expired |
| US6200595A | Medical adhesive | Human Necessities | 35 | Expired |
| US5089411A | Method of culturing a strain of Rhodococcus rhodochrous having nitrile hydratase activity | Chemistry; Metallurgy | 31 | Expired |
| US4637982A | Process for biological preparation of amides | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6867660B2 | Line transition device between dielectric waveguide and waveguide, and oscillator, and transmitter using the same | Electricity | 29 | Expired |
| US5376541A | Process for production of 8,11-eicosadienoic acid using Mortierella alpina | Chemistry; Metallurgy | 28 | Expired |
| US5334519A | Process for biological production of amides with R. rhodochrous J-1 | Chemistry; Metallurgy | 27 | Expired |
| US4944427A | Disposable tray for medical use and method of making the same | Human Necessities | 26 | Expired |
| US4916066A | Process for production of bishomo-gamma-linolenic acid | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5401646A | Process for production of bishomo-gamma-linolenic acid and eicosapentaenoic acid | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5733949A | Antimicrobial adhesive composition for dental uses | Human Necessities | 20 | Expired |
| US5204250A | Process for production of arachidonic acid | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5322780A | Process for production of omega 9 type polyunsaturated fatty acid | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5135858A | Process for biological production of organic acids | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4900672A | Method for preservation of nitrile hydration activity | Chemistry; Metallurgy | 17 | Expired |
| US4880739A | Method of cultivation of pseudomonas bacteria | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5336496A | Inhibitor for delta 5-desaturase | Human Necessities | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.