Inventor
Takashi Iwashita
Inventor
Hamamatsu, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B63Hprimary
B63HMarine propulsion or steering24%
F02BInternal-combustion piston engines12%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%
Y02TClimate change mitigation technologies related to transportation6%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for3%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation3%
A61KPreparations for medical, dental or toiletry purposes3%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations3%
B41JTypewriters3%
B60LPropulsion of electrically-propelled vehicles3%
PatentTitleYear
9,764,572'Printer'20178,367,718'Epigallocatechin gallate trimer and α-glucosidase inhibitor containing epigallocatechin gallate polymer'20137,674,146'Propeller thrust transmission device for a watercraft propulsion device'20105,766,048'Exhaust system for outboard drive'19985,584,734'Lower-unit for marine outboard drive'19965,529,520'Propulsion system for marine vessel'19965,233,282'Battery system for marine propulsion unit'19934,984,149'Memory access control apparatus'19914,965,997'Exhaust system for outboard motor'19904,768,493'Blow-by gas heating system for internal combustion engines'19884,575,342'Tilt lock mechanism for marine propulsion device'19864,570,776'Detent mechanism for clutches'19864,551,104'Tilt lock mechanism for marine propulsion device'19854,493,659'Tilt-lock mechanism'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1998Patents assigned to SANSHIN KOGYO KK (9)· patent assignee history
1985–2010Patents assigned to YAMAHA MOTOR CO LTD (2)· patent assignee history
1985–1986Based in Hamakita, JP· patent location history
1988Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history
1988–1991Based in Saitama, JP· patent location history
1990–1998Based in Hamamatsu, JP· patent location history
2013Patents assigned to FUKUI YUKO (1)· patent assignee history
2013Patents assigned to IWASHITA TAKASHI (1)· patent assignee history
2013Based in Mishima-shi, JP· patent location history
2017Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANSHIN KOGYO KK | 9 | 1985–1998 |
| YAMAHA MOTOR CO LTD | 2 | 1985–2010 |
| FUKUI YUKO | 1 | 2013 |
| HONDA MOTOR CO LTD | 1 | 1988 |
| IWASHITA TAKASHIself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 5 | 1990–1998 |
| Hamakita, JP | 4 | 1985–1986 |
| Saitama, JP | 2 | 1988–1991 |
| Tokyo, JP | 1 | 2017 |
| Mishima-shi, JP | 1 | 2013 |