Inventor
Yoichi Hachitani
Inventor
Tokyo, JP
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels35%
G11BInformation storage based on relative movement between record carrier and transducer15%
Y10TTechnical subjects covered by former us classification13%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
C03BManufacture, shaping, or supplementary processes5%
A01NPreservation of bodies of humans or animals or plants or parts thereof3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
B01DSeparation2%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
PatentTitleYear
9,589,586'Glass for magnetic recording media substrates, magnetic recording media substrates, magnetic recording media and method for preparation thereof'20179,236,077'Glass for use as substrate for information recording medium, substrate for information recording medium and information recording medium, and their production methods'20169,016,092'Glass for magnetic recording media substrates, magnetic recording media substrates, magnetic recording media and method for preparation thereof'20158,859,444'Optical glass, press-molding glass material, optical element and process for producing the same'20148,785,011'Glass for use as substrate for information recording medium, substrate for information recording medium and information recording medium, and their production methods'20148,741,794'Glass substrate for display and display'20148,656,734'Material for information recording medium substrate, information recording medium substrate, information recording medium, and method for manufacturing them'20148,603,653'Glass for magnetic recording medium substrate, magnetic recording medium substrate and method of manufacturing the same, and magnetic recording medium'20138,575,049'Optical glass, glass molded body, optical device and their production methods'20138,394,516'Glass substrate for magnetic recording medium and magnetic recording medium'20138,383,530'Glass substrate for display and display'20138,357,459'Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method'20138,263,510'Optical glass, glass molded body, optical device and their production methods'20128,077,406'On-vehicle camera lens glass material and on-vehicle camera lens'20118,076,014'Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method'20118,034,733'Optical glass, optical element and method of manufacturing thereof'20117,763,559'Glass substrate for display and display'20107,170,154'Glass for window of semiconductor package, glass window for semiconductor package, process for production of glass window, and semiconductor package'20076,677,046'Glass ceramic'20046,607,999'Glass for cathode-ray tube, strengthened glass, method for the production thereof and use thereof'20036,468,428'Glass material for carrying a photocatalyst, filter device using the same and light irradiating method'20026,117,818'Composition for regulating plant growth and a method for application thereof'20005,997,377'Process for the production of spacered substrate for use in self-emitting display'19994,909,833'.DELTA..sup.2 -1,2,4-triazolin-5-one derivatives, and uses thereof'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Based in Hashimoto, JP· patent location history
1999–2017Patents assigned to HOYA CORP (20)· patent assignee history
1999–2016Based in Tokyo, JP· patent location history
2000Based in Kawachinagano, JP· patent location history
2011–2015Patents assigned to HACHITANI YOICHI (12)· patent assignee history
2011–2015Patents assigned to OSAKABE KINOBU (6)· patent assignee history
2011–2014Patents assigned to TACHIWANA KAZUO (5)· patent assignee history
2011–2014Patents assigned to ZOU XUELU (4)· patent assignee history
2011–2017Based in Shinjuku-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOYA CORP | 20 | 1999–2017 |
| HACHITANI YOICHIself | 12 | 2011–2015 |
| OSAKABE KINOBU | 6 | 2011–2015 |
| TACHIWANA KAZUO | 5 | 2011–2014 |
| ZOU XUELU | 4 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 15 | 1999–2016 |
| Shinjuku-ku, JP | 7 | 2011–2017 |
| Kawachinagano, JP | 1 | 2000 |
| Hashimoto, JP | 1 | 1990 |