Inventor
Dai Nozawa
Inventor
Tokyo, JP
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations29%
C07DHeterocyclic compounds29%
B41JTypewriters24%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
A61KPreparations for medical, dental or toiletry purposes3%
C07CAcyclic or carbocyclic compounds3%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems3%
H02NElectric machines not otherwise provided for3%
H03FAmplifiers3%
PatentTitleYear
11,090,927Driving circuit and liquid ejection apparatus202110,870,272Liquid discharging apparatus and driving circuit board202010,493,755Driving circuit for capacitive load201910,340,815Liquid ejecting apparatus and circuit board201910,179,449Liquid ejecting apparatus and head unit201910,022,960Liquid ejecting apparatus and drive circuit20189,937,712Liquid ejecting apparatus and head unit20189,744,761'Liquid discharge device and head unit'20179,669,621'Liquid ejecting apparatus and head unit'20179,266,870'Heteroaromatic methyl cyclic amine derivative'20168,455,511'Pyrrolopyridine derivatives substituted with cyclic amino group'20138,193,176'Phenylpyrazole derivatives'20128,183,387'Phenylpyrazole derivatives'20128,106,194'Pyrrolopyrimidine and pyrrolotriazine derivatives'20128,030,499'1,3-dihydro-2H-indole-2-one compound and pyrrolidine-2-one compound fused with aromatic heterocycle'20117,951,811'Pyrrolo[2,3-D]pyrimidine derivatives substituted with a cyclic amino group'20117,932,259'Pyrrolo[2,3-d]pyrimidine derivatives substituted with a cyclic amino group'20117,888,354'Phenylpyrazole derivatives'20117,557,111'Substituted thieno[3,2-d]pyrimidines as CRF receptor antagonists'20097,365,078'Triaza-cyclopenta[cd]indene derivatives'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2016Patents assigned to TAISHO PHARMACEUTICAL CO LTD (11)· patent assignee history
2008–2016Based in Tokyo, JP· patent location history
2011–2012Based in Toshima-ku, JP· patent location history
2012–2013Patents assigned to NOZAWA DAI (4)· patent assignee history
2012–2013Patents assigned to TAMITA TOMOKO (4)· patent assignee history
2012Patents assigned to CHAKI SHIGEYUKI (2)· patent assignee history
2017–2021Patents assigned to SEIKO EPSON CORP (9)· patent assignee history
2017–2021Based in Matsumoto, JP· patent location history
2018–2019Based in Nagano, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TAISHO PHARMACEUTICAL CO LTD | 11 | 2008–2016 |
| SEIKO EPSON CORP | 9 | 2017–2021 |
| NOZAWA DAIself | 4 | 2012–2013 |
| TAMITA TOMOKO | 4 | 2012–2013 |
| CHAKI SHIGEYUKI | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 8 | 2008–2016 |
| Matsumoto, JP | 7 | 2017–2021 |
| Toshima-ku, JP | 3 | 2011–2012 |
| Nagano, JP | 2 | 2018–2019 |