Inventor
Nobuo Kawato
Inventor
Kurume, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus23%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds21%
C08LCompositions of macromolecular compounds14%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients12%
B29CShaping or joining of plastics8%
G02CSpectacles6%
B29DProducing particular articles from plastics or from substances in a plastic state5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%
Y10TTechnical subjects covered by former us classification3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
PatentTitleYear
10,921,489Polymerizable composition for optical material, optical material obtained from the composition, and plastic lens202110,344,116Polymerizable composition for optical material and use thereof201910,308,756Polymerizable composition for optical material and use thereof201910,202,483Polymerizable composition, molded product, and use thereof201910,131,767Polymerizable composition for optical material, optical material obtained from polymerizable composition, and manufacturing method of optical material20189,678,246'Polymerizable composition for optical material'20179,482,787'Polymerizable composition'20169,464,154'Process for producing polyurethane resin'20169,290,656'Polymerizable composition for polythiourethane optical material'20168,586,695'Polymerization catalyst for polythiourethane optical material, polymerizable composition containing the same, polythiourethane resin obtained from the composition, and process for producing the resin'20138,586,694'Polymerization catalyst for polythiourethane-based optical material, polymerizable composition containing the catalyst, optical material obtained from the composition, and method for preparing the optical material'20138,461,238'Process for producing internal mold release agent for optical material, internal mold release agent for optical material, and polymerizable composition including the same'20138,022,163'Internal mold release agent for production of polythiourethane optical material'20117,354,989'Thioepoxy based polymerizable composition and method for production thereof'20086,365,707'Polymerizable composition and process for producing optical resin comprising the same'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2021Patents assigned to MITSUI CHEMICALS INC (15)· patent assignee history
2002Based in Fukuoka, JP· patent location history
2008Based in Omuta, JP· patent location history
2011–2021Based in Kurume, JP· patent location history
2013–2016Patents assigned to KAWATO NOBUO (5)· patent assignee history
2013–2016Patents assigned to HAYASHI HIDETOSHI (3)· patent assignee history
2013–2016Patents assigned to IWAZUMI MASANORI (3)· patent assignee history
2013–2016Patents assigned to KOBAYASHI SEIICHI (3)· patent assignee history
2013Based in Kureme, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUI CHEMICALS INC | 15 | 2002–2021 |
| KAWATO NOBUOself | 5 | 2013–2016 |
| HAYASHI HIDETOSHI | 3 | 2013–2016 |
| IWAZUMI MASANORI | 3 | 2013–2016 |
| KOBAYASHI SEIICHI | 3 | 2013–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kurume, JP | 12 | 2011–2021 |
| Kureme, JP | 1 | 2013 |
| Omuta, JP | 1 | 2008 |
| Fukuoka, JP | 1 | 2002 |