Inventor
Shinichiro Otsuka
Inventor
Ibaraki, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters18%
B01DSeparation14%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general14%
Y02TClimate change mitigation technologies related to transportation14%
F02BInternal-combustion piston engines9%
F02DControlling combustion engines9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%
G06FElectric digital data processing5%
G06KGraphical data reading5%
PatentTitleYear
RE048686Ink-jet printer202111,020,996Abnormality warning method and abnormality warning system202110,704,440Exhaust purification system of internal combustion engine202010,677,124Exhaust purification filter202010,344,643Exhaust purification system of internal combustion engine20199,937,711Inkjet printer20189,586,412'Ink-jet printer'20178,777,216'Image forming apparatus'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2021Patents assigned to RISO KAGAKU CORP (4)· patent assignee history
2014–2021Based in Ibaraki, JP· patent location history
2019–2020Patents assigned to HONDA MOTOR CO LTD (3)· patent assignee history
2019–2020Based in Wako, JP· patent location history
2021Patents assigned to SEIKO EPSON CORP (1)· patent assignee history
2021Based in Shiojiri, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RISO KAGAKU CORP | 4 | 2014–2021 |
| HONDA MOTOR CO LTD | 3 | 2019–2020 |
| SEIKO EPSON CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 4 | 2014–2021 |
| Wako, JP | 3 | 2019–2020 |
| Shiojiri, JP | 1 | 2021 |