Hiroshi Ozawa
63Patents
17h-index
102Co-inventors
87Inventor score
Filing activity: Dec 27, 1972 → Jul 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4401971A | Alarm device for a vehicle including priority control for plural alarm conditions | Physics | 80 | Expired |
| US4707430A | Optical recording medium | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4707425A | Optical recording method and media therefor | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4048136A | Metallic tone powder coating composition | Chemistry; Metallurgy | 33 | Expired |
| US4042645A | Process for producing thermosetting finishing powders | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4818790A | Room-temperature-curable resin composition | Chemistry; Metallurgy | 30 | Expired |
| US8690838B2 | Transdermal administration device | Human Necessities | 29 | Active |
| US3954898A | Powder coating of epoxy resin, acrylic copolymer and tertiary amine | Chemistry; Metallurgy | 29 | Expired |
| US4719613A | Optical recording medium having a reflective recording layer including a resinous binder and a naphthalocyanine dye | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6155858A | Floating electrical connector | Electricity | 25 | Expired |
| US4139672A | Process for forming a coating having a metallic finish | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4922294A | Image forming apparatus | Physics | 23 | Expired |
| US4903307A | Audio apparatus having electronic graphic equalizer | Electricity | 21 | Expired |
| US4798781A | Fabrication process of optical recording medium | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6224249A | Compound design system and method for mechanism parts | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5332173A | Magnetic tape cartridge having retention of leader tape | Physics | 18 | Expired |
| US6043956A | Suspension for disk drive | Physics | 17 | Expired |
| US4347299A | Method of controlling toner concentration for electrophotographic copying apparatus | Physics | 15 | Expired |
| US6676197B2 | Front body structure for vehicle | Performing Operations; Transporting | 14 | Expired |
| US6537090B2 | Card connector having cam and pin members for securing a card | Physics | 14 | Expired |
| US4766054A | Optical recording medium | Emerging Cross-Sectional Technologies | 14 | Expired |
| US10207574B2 | Motor vehicle | Emerging Cross-Sectional Technologies | 13 | Active |
| US4142018A | Process for forming metallic finish coatings | Emerging Cross-Sectional Technologies | 11 | Expired |
| USD711531S1 | Injection needle | General | 7 | Active |
| US4937627A | Image forming apparatus having toner replenishing device interchangeable with a developing unit | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.