The University of Tokyo Patent Publication Information
"The University of Tokyo Patent Publication Information PP" is a page for introducing patents or patent applications of the University of Tokyo with the inventions of transferable technologies. If you are interested in any invention or licensing, please contact us via "Contact" page (please refrain from contacting the inventor directly).
Classification of the patent
Based on the International Patent Classification (IPC), they are classified into the following A to H sections. In addition, when a patent is applied in more than one sections, it is included in the main section (may be more than one).
| A section | Human necessities (agriculture, forestry, animal husbandry, fishing, foods, domestic articles, hygiene, sports, games, etc.) |
| B section | Performing operation; Transporting (performing method/device, casting, machine tool, working of plastic, land vehicle, ship or other waterborne vessels, etc.) |
| C section | Chemistry; metallurgy (inorganic/organic chemistry, cement/concrete, dye, biochemistry, metallurgy, coating to metal materials, crystal growth) |
| D section | Textiles; Paper |
| E section | Fixed constructions (road/railways, building, etc.) |
| F section | Mechanical engineering; lighting; heating; weapon; blasting (machines, combustion method/engines, fluid-pressure actuator, hydraulics/pneumatics, refrigeration/cooling, heat exchange etc.) |
| G section | Physics (measuring/testing, optics, photography/cinematography, controlling, calculating/counting, educating, cryptography, musical instrument/acoustics, information storage, nucleus physics/nuclear engineering etc.) |
| H section | Electricity (electricity/electronic elements, electronic circuitry, electric technology) |