Inventor
Hiroshi Hayasaka
Inventor
Hitachinaka, JP
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B04Bprimary
B04BCentrifuges40%
A63FCard, board, or roulette games11%
Y10TTechnical subjects covered by former us classification11%
F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in a carrier gas or air6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
G10HElectrophonic musical instruments6%
E04BGeneral building constructions3%
E05BLocks3%
E05CBolts or fastening devices for wings, specially for doors or windows3%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges3%
PatentTitleYear
10,252,279Centrifuge having light emitting part20199,308,440'Input device for game machine'20168,854,297'Interface unit for game machine and game machine'20148,821,361'Centrifugal separator and swing rotor for centrifugal separator'20148,500,555'Input device and game device provided therewith'20138,409,005'Input device and game system including the input device'20137,938,765'Centrifuge having a lock mechanism'20117,874,972'Centrifuge with lid locking mechanism'20117,815,560'Centrifuge having pivotally supported door'20107,331,918'Centrifugal separator with safety features'20087,314,442'Centrifuge assembly portion, centrifuge, having drive arrangement access opening and cover'20086,832,980'Centrifuge with sensors for detecting centrifuge conditions'20046,712,750'Swinging bucket centrifuge with tapered rotor pins'20046,701,219'Control method for a link arm mechanism and an automatic centrifugal machine employing this link arm mechanism'20046,196,961'Automatic centrifugal machine employing a link arm mechanism'20015,653,672'Centrifugal separator with thermo-module'19975,410,847'Junction structure between steel member and structural member'19955,342,280'System for management of body rotation of centrifuge'1994D0324107'Centrifuge'19925,004,453'Centrifuge'19915,002,167'One-way clutch with end alignable ribbon spring'19914,496,306'Multi-stage combustion method for inhibiting formation of nitrogen oxides'19854,424,017'System and method for burning liquefied gases'19844,395,223'Multi-stage combustion method for inhibiting formation of nitrogen oxides'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1985Patents assigned to HITACHI SHIPBUILDING ENG CO (3)· patent assignee history
1991–1994Based in Katsuta, JP· patent location history
1992–2019Patents assigned to HITACHI KOKI KK (14)· patent assignee history
1995–2013Based in Tokyo, JP· patent location history
1997–2010Based in Hitachinaka, JP· patent location history
2008–2019Based in Ibaraki, JP· patent location history
2013–2016Patents assigned to HAYASAKA HIROSHI (5)· patent assignee history
2013–2016Patents assigned to KONAMI DIGITAL ENTERTAINMENT (4)· patent assignee history
2013Patents assigned to AONO TAKUYA (2)· patent assignee history
2014–2016Based in Hyogo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI KOKI KK | 14 | 1992–2019 |
| HAYASAKA HIROSHIself | 5 | 2013–2016 |
| KONAMI DIGITAL ENTERTAINMENT | 4 | 2013–2016 |
| HITACHI SHIPBUILDING ENG CO | 3 | 1983–1985 |
| AONO TAKUYA | 2 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 7 | 1997–2010 |
| Ibaraki, JP | 5 | 2008–2019 |
| Tokyo, JP | 3 | 1995–2013 |
| Katsuta, JP | 3 | 1991–1994 |
| Hyogo, JP | 2 | 2014–2016 |