Inventor
Hiroshi Udagawa
Inventor
Tokyo, JP
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B27Fprimary
B27FDovetailed work22%
B25CHand-held nailing or stapling tools14%
G03GElectrography10%
A63FCard, board, or roulette games4%
B42BPermanently attaching together sheets, quires or signatures or permanently attaching objects thereto4%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
A61BDiagnosis2%
B22DCasting of metals2%
B41JTypewriters2%
B42CBookbinding2%
PatentTitleYear
10,527,408Misalignment detecting device for spoked wheel202010,219,733Portable urine flow meter including a guide arranged in a nozzle part in a urine flow passage tube201910,207,885Medium transport apparatus, medium feeder, and image formation system20199,162,833'Medium feeding apparatus and image forming apparatus'20159,076,913'Group iii nitride semiconductor light-emitting element'20159,052,690'Image forming apparatus'20158,899,577'Medium feeding apparatus and image forming apparatus'20148,855,523'Developer-adhesive body unit and image forming apparatus'20148,843,051'Medium containing cassette, medium feeding unit, optional medium feeding unit and image forming apparatus'20148,428,505'Image forming apparatus'20138,397,830'Electric stapler and method adapted for electric stapler to adjust staple leg length'20138,355,163'Apparatus and method for performing gradation adjustment of a display image'20138,038,378'Tape type binding apparatus and paper staple'20117,938,306'Stapler clincher mechanism'20117,752,257'Information providing method, information providing system, and information server apparatus'20107,407,264'Liquid discharging apparatus and liquid discharging method'20086,887,155'Video game system, video game apparatus, controlling method therefor and a recording medium for video game program'20056,780,113'Video game system, video game apparatus, and method of controlling the video game apparatus'20046,715,654'Staple cartridge system'2004D0465232'Cylinder operated by fluid pressure'20026,129,003'Fluid-pressure cylinder apparatus'20005,823,415'Cartridge for electric stapler'19985,791,548'Motor driven stapler'19985,791,543'Electric stapler'19985,560,529'Cartridge for electric stapler'19965,460,314'Stapler with improved stapling precision'19955,454,503'Electric stapler'19955,346,114'Electric stapler with unmovably fixed magazine'19945,291,862'Cylinder sleeve assembly used in cylinder block for multi-cylinder internal combustion engine, and forming mold for use in production of sand mold for casting the same'19945,269,451'Electric stapler with unmovably fixed magazine'19934,306,259'Flexible-disc drive spindle assembly with brushless DC motor'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2013Patents assigned to MAX CO LTD (12)· patent assignee history
1993–2019Based in Tokyo, JP· patent location history
1998Based in Chuo-ku, JP· patent location history
2004–2013Patents assigned to SONY CORP (5)· patent assignee history
2013–2019Patents assigned to OKI DATA KK (6)· patent assignee history
2013–2015Patents assigned to UDAGAWA HIROSHI (6)· patent assignee history
2013Based in Minato-ku, JP· patent location history
2013Based in Gunma, JP· patent location history
2015–2020Based in Yokohama, JP· patent location history
2019Patents assigned to GEO SYSTEM CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAX CO LTD | 12 | 1993–2013 |
| OKI DATA KK | 6 | 2013–2019 |
| UDAGAWA HIROSHIself | 6 | 2013–2015 |
| SONY CORP | 5 | 2004–2013 |
| GEO SYSTEM CO LTD | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 20 | 1993–2019 |
| Yokohama, JP | 3 | 2015–2020 |
| Chuo-ku, JP | 2 | 1998 |
| Minato-ku, JP | 1 | 2013 |
| Gunma, JP | 1 | 2013 |