Negishi; Hirokazu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Negishi; Hirokazu.The latest application filed is for "oscillatory wave motor and sound generation device using oscillatory wave motor as drive source".
- Negishi; Hirokazu - Kanagawa JP
- Negishi; Hirokazu - Yokosuka JP
- Negishi; Hirokazu - Epsom GB
- Negishi; Hirokazu - Guildford GB2
- Negishi; Hirokazu - Epsom Survey GB
- Negishi; Hirokazu - Epsom Surrey GB
- Negishi; Hirokazu - Kawasaki JP
- Negishi; Hirokazu - Yokohama JA
- Negishi; Hirokazu - Kanagawa-ku Yokohama-shi JA
| Patent | Date |
|---|---|
| Oscillatory Wave Motor And Sound Generation Device Using Oscillatory Wave Motor As Drive Source App 20130230196 - Negishi; Hirokazu ; et al. | 2013-09-05 |
| Speaker system App 20040062404 - Negishi, Hirokazu ; et al. | 2004-04-01 |
| System for and method of searching music data, and recording medium for use therewith Grant 6,504,089 - Negishi , et al. January 7, 2 | 2003-01-07 |
| Sound output system Grant 5,988,314 - Negishi November 23, 1 | 1999-11-23 |
| Loudspeaker Grant D334,750 - Negishi , et al. April 13, 1 | 1993-04-13 |
| Operator mental condition detector Grant 4,894,777 - Negishi , et al. January 16, 1 | 1990-01-16 |
| Audio signal transmission system Grant 4,870,690 - Negishi , et al. September 26, 1 | 1989-09-26 |
| Electrophotographic copying apparatus utilizing liquid developer Grant 4,168,119 - Nishimura , et al. September 18, 1 | 1979-09-18 |
| Photosensitive matter for electrophotography and method of the production thereof Grant 3,948,657 - Yoshikawa , et al. April 6, 1 | 1976-04-06 |
| Electrophotographic Photosensitive Member Grant 3,874,942 - Negishi , et al. April 1, 1 | 1975-04-01 |
| Photoconductive Element And Process Of Preparing Same Using Thermo-shrinkable Material Grant 3,819,370 - Komiya , et al. June 25, 1 | 1974-06-25 |
| Heat Treatment Of An Electrophotographic Photosensitive Member Grant 3,717,462 - Negishi , et al. February 20, 1 | 1973-02-20 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 