Inventor
Youhei Niitsuma
Inventor
Kanagawa, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables41%
G03GElectrography28%
B31FMechanical working or deformation of paper, cardboard or material worked in a manner analogous to paper7%
G10KSound-producing devices7%
H04NPictorial communication, e.g. television7%
B01FMixing, e.g. dissolving, emulsifying or dispersing3%
B01LChemical or physical laboratory apparatus for general use3%
B41JTypewriters3%
PatentTitleYear
11,001,072Liquid discharge head, liquid discharge device, dispensing device, and liquid discharge method202110,097,720Sound absorber, sheet feeder incorporating the sound absorber, image reading device incorporating the sheet feeder, image forming apparatus incorporating the sound absorber, and electronic device incorporating the sound absorber20189,938,099Sheet conveying device, sheet feeder, and image forming apparatus20189,834,398Sheet conveying device, sheet feeder, and image forming apparatus20179,604,814'Sheet processing apparatus and image forming system'20179,561,927'Sheet discharging device, image forming system, and sheet discharging method'20179,533,852'Sheet ejecting device, image forming system, and sheet ejecting method'20179,260,264'Sheet discharging device, image forming system, and sheet discharging method'20169,096,403'Sheet stacking apparatus, image forming system and sheet stacking method'20159,085,436'Sheet ejecting device, image forming system, and sheet ejecting method'20158,960,660'Sheet processing apparatus and image forming system'20158,936,240'Sheet discharging device, image forming system, and sheet discharging method'20158,925,917'Sheet output device, sheet processing apparatus, image forming system, and sheet output method'20158,876,107'Sheet stacking device, image forming system, and sheet stacking method'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2021Patents assigned to NIITSUMA YOUHEI (14)· patent assignee history
2014–2021Patents assigned to RICOH CO LTD (14)· patent assignee history
2014–2017Patents assigned to GOTO KIICHIRO (10)· patent assignee history
2014–2017Patents assigned to KONNO KAZUNORI (10)· patent assignee history
2014–2017Patents assigned to MATSUMOTO TAKAMASA (10)· patent assignee history
2014–2021Based in Kanagawa, JP· patent location history
2015–2016Based in Miyagi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIITSUMA YOUHEIself | 14 | 2014–2021 |
| RICOH CO LTD | 14 | 2014–2021 |
| GOTO KIICHIRO | 10 | 2014–2017 |
| KONNO KAZUNORI | 10 | 2014–2017 |
| MATSUMOTO TAKAMASA | 10 | 2014–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 12 | 2014–2021 |
| Miyagi, JP | 2 | 2015–2016 |