Inventor
Junichi Iwata
Inventor
Ibaraki, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus21%
B41JTypewriters18%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
G02CSpectacles11%
B29DProducing particular articles from plastics or from substances in a plastic state7%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C08LCompositions of macromolecular compounds4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H01LSemiconductor devices4%
H01RElectrically-conductive connections4%
PatentTitleYear
10,864,746Liquid circulating apparatus and liquid ejecting apparatus202010,792,920Laminated substrate, liquid discharge head, and liquid discharge apparatus202010,759,165Liquid discharge head, including supply and discharge channels,liquid discharge device, and liquid discharge apparatus202010,179,452Liquid discharge head, liquid discharge device, and liquid discharge apparatus201910,081,182Liquid discharge head, liquid discharge device, and liquid discharge apparatus20189,322,958'Silicone hydrogel contact lenses'20168,637,621'Long-wearable soft contact lens'20148,614,261'Silicone hydrogel contact lens'20138,524,850'Hydrophilic polysiloxane macromonomer, and production and use of the same'20138,129,442'Hydrophilic polysiloxane macromonomer, and production and use of the same'20126,867,245'Long wearable soft contact lens'20055,578,415'Optical recording materials, method for preparing the same and optical cards having the same'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996Based in Shizuoka, JP· patent location history
2005–2016Based in Nobeoka, JP· patent location history
2012–2020Patents assigned to IWATA JUNICHI (9)· patent assignee history
2012–2016Patents assigned to COOPERVISION INT HOLDING CO LP (5)· patent assignee history
2012–2013Based in Tokyo, JP· patent location history
2018–2020Patents assigned to RICOH CO LTD (5)· patent assignee history
2018–2020Based in Ibaraki, JP· patent location history
2019–2020Patents assigned to NAKAI TAKAYUKI (3)· patent assignee history
2019–2020Patents assigned to OTOME YUKIO (3)· patent assignee history
2020Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IWATA JUNICHIself | 9 | 2012–2020 |
| COOPERVISION INT HOLDING CO LP | 5 | 2012–2016 |
| RICOH CO LTD | 5 | 2018–2020 |
| NAKAI TAKAYUKI | 3 | 2019–2020 |
| OTOME YUKIO | 3 | 2019–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 4 | 2018–2020 |
| Nobeoka, JP | 4 | 2005–2016 |
| Tokyo, JP | 2 | 2012–2013 |
| Kanagawa, JP | 1 | 2020 |
| Shizuoka, JP | 1 | 1996 |