Inventor
Kenichiro Hashimoto
Inventor
Yokohama, JP
Overview
Patents· 29 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters67%
H04NPictorial communication, e.g. television8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables6%
C07CAcyclic or carbocyclic compounds6%
G01DMeasuring not specially adapted for a specific variable3%
G03GElectrography3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
9,365,040'Liquid ejection head and image forming apparatus including same'20169,266,345'Liquid discharge head and image forming apparatus'20169,033,456'Image forming apparatus, liquid-jet head, and method for manufacturing the liquid-jet head'20157,364,253'Liquid drop jet head, ink cartridge and ink jet recording apparatus'20086,913,348'Liquid drop jet head, ink cartridge and ink jet recording apparatus'20056,729,711'Ink jet recording apparatus'20046,682,185'Liquid drop jet head, ink cartridge and ink jet recording apparatus'20046,367,914'Electrostatic ink-jet head and method of production of the same'20026,312,084'Ink jet recording apparatus and ink cartridge for the apparatus'20016,137,503'Ink jet recording apparatus'20006,081,284'Recording apparatus with plural ink tank configurations'20005,971,530'Refillable, evaporation-suppressing liquid container'19995,949,443'Equipment with scanning type carrier'19995,636,929'Sheet feeding apparatus having multiple rotary members and cleaning members'19975,529,407'Image recording apparatus'19965,506,611'Replaceable ink cartridge having surface wiring resistance pattern'19965,504,508'Ink receiving cap, and ink-jet recording apparatus and ink discharging method using the same'19965,475,413'Portable recording apparatus having relatively movable housing sections'19955,291,224'Sheet feeding apparatus using pairs of spur rollers'19945,188,270'Sheet conveyor having retractable pins held in a wheel for openings in a sheet'19935,124,800'Apparatus for reading and recording image'19924,900,003'Sheet conveying apparatus'1990D0302438'Ink ribbon cartridge'19894,750,006'Platen for recording device'19884,630,073'Thermal head'19864,623,903'Thermal head'19864,475,825'Non-impact printing apparatus'19844,024,195'Process for alkylating the ortho-position of phenol compounds'19773,953,529'Process for ortho-alkylation of phenol compounds'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1977Patents assigned to MITSUBISHI GAS CHEMICAL CO (2)· patent assignee history
1976–1977Based in Tokyo, JP· patent location history
1984–2004Patents assigned to CANON KK (20)· patent assignee history
1984–2004Based in Yokohama, JP· patent location history
1986–1988Based in Kawasaki, JP· patent location history
2002–2008Patents assigned to RICOH KK (4)· patent assignee history
2002–2016Based in Kanagawa, JP· patent location history
2015–2016Patents assigned to HASHIMOTO KENICHIRO (3)· patent assignee history
2015–2016Patents assigned to RICOH CO LTD (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 20 | 1984–2004 |
| RICOH KK | 4 | 2002–2008 |
| HASHIMOTO KENICHIROself | 3 | 2015–2016 |
| RICOH CO LTD | 3 | 2015–2016 |
| MITSUBISHI GAS CHEMICAL CO | 2 | 1976–1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 17 | 1984–2004 |
| Kanagawa, JP | 7 | 2002–2016 |
| Kawasaki, JP | 3 | 1986–1988 |
| Tokyo, JP | 2 | 1976–1977 |