Inventor
Hiromasa Kawai
Inventor
Ichihara, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds32%
G02BOptical elements, systems or apparatus24%
C08LCompositions of macromolecular compounds6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C08JWorking-up3%
C09JAdhesives3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
F03DWind motors3%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g3%
PatentTitleYear
8,697,240'Photocurable resin composition and cured product of same, resin sheet and production method for same, and display device'20147,626,281'Energy converter, flag type energy converter'20096,277,938'Process for the preparation of non-birefringent optical resin and optical elements made by using the resin prepared by the process'20015,663,264'Transparent resin and plastic lens'19975,583,191'Plastic lens'19965,559,200'Resin for plastic lens'19965,449,731'Resin for plastic lens'19955,155,190'Process for producing poly methyl methacrylate/N-substituted maleimide optical resin'1992RE034061'Polymers of tricyclo[5.2.1.0.sup.2,6 ]deca-8-yl (meth)acrylate'19924,986,648'Lens and optical disc base plate obtained from copolymer of norbornyl (meth)acrylate'19914,868,261'Optical resin material'19894,591,626'Polymers of tricyclo[5.2.1.0.sup.2,6 ]deca-8-yl (meth)acrylate'19864,351,910'Expandable styrene series resin composition and process for production thereof'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2014Patents assigned to HITACHI CHEMICAL CO LTD (11)· patent assignee history
1982–2001Based in Ichihara, JP· patent location history
1992Based in Midland, MI, US· patent location history
2009Patents assigned to UNIV KYOTO (1)· patent assignee history
2009Based in Kyoto, JP· patent location history
2014Patents assigned to KAWAI HIROMASA (1)· patent assignee history
2014Patents assigned to OGAWA YOSHINOBU (1)· patent assignee history
2014Patents assigned to OIKAWA FUTOSHI (1)· patent assignee history
2014Based in Tsukuba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI CHEMICAL CO LTD | 11 | 1982–2014 |
| KAWAI HIROMASAself | 1 | 2014 |
| OGAWA YOSHINOBU | 1 | 2014 |
| OIKAWA FUTOSHI | 1 | 2014 |
| UNIV KYOTO | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ichihara, JP | 10 | 1982–2001 |
| Tsukuba, JP | 1 | 2014 |
| Kyoto, JP | 1 | 2009 |
| Midland, MI, US | 1 | 1992 |