Inventor
Tadashi Tsuchiyama
Inventor
Saitama, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Bprimary
F02BInternal-combustion piston engines29%
F01MLubricating of machines or engines in general14%
F02FCylinders, pistons or casings, for combustion engines14%
F01PCooling of machines or engines in general7%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%
F16CShafts7%
F16DCouplings for transmitting rotation7%
F16HGearing7%
Y02TClimate change mitigation technologies related to transportation7%
PatentTitleYear
4,941,559'Wet friction member, and wet frictional engagement apparatus for a transmission using the same'19904,559,910'Crankshaft bearing device for internal combustion engine'19854,513,698'Intake manifold structure for internal combustion engines'19854,449,491'Lubricating device for internal combustion engine'19844,448,159'V-Type internal combustion engine'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1985Patents assigned to HONDA MOTOR CO LTD (4)· patent assignee history
1984–1985Based in Saitama, JP· patent location history
1990Patents assigned to HASEGAWA HIROAKI (1)· patent assignee history
1990Patents assigned to ISHIKAWA KEIICHI (1)· patent assignee history
1990Patents assigned to SUZUKI YASUYUKI (1)· patent assignee history
1990Patents assigned to TSUCHIYAMA TADASHI (1)· patent assignee history
1990Based in Saitama-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONDA MOTOR CO LTD | 4 | 1984–1985 |
| HASEGAWA HIROAKI | 1 | 1990 |
| ISHIKAWA KEIICHI | 1 | 1990 |
| SUZUKI YASUYUKI | 1 | 1990 |
| TSUCHIYAMA TADASHIself | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 4 | 1984–1985 |
| Saitama-shi, JP | 1 | 1990 |