Inventor
Tohru Maruyama
Inventor
Fujisawa, JP
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Mprimary
B41MPrinting, duplicating, marking, or copying processes11%
G03GElectrography11%
G11CStatic stores11%
B41JTypewriters9%
B08BCleaning in general7%
H10BElectronic memory devices7%
H10DInorganic electric semiconductor devices7%
B05CApparatus for applying fluent materials to surfaces, in general6%
B41NPrinting plates or foils6%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
PatentTitleYear
8,711,635'Nonvolatile semiconductor memory device'20148,319,270'Semiconductor device and method for manufacturing the same'20128,315,104'Nonvolatile semiconductor memory device'20127,055,232'Product disassembling and assembling system and a method of disassembling and assembling the product'20066,828,627'Semiconductor device'20046,722,010'Product disassembling and assembling system and a method of disassembling and assembling the product'20046,703,669'Semiconductor device having serially connected memory cell transistors provided between two current terminals'20046,663,719'Cleaning system and a method of cleaning'20036,222,769'Nonvolatile semiconductor storage device having buried electrode within shallow trench'20016,156,127'Method and apparatus for removing image forming substance from image holding member'20006,117,240'Liquid applying apparatus and an image forming substance removing apparatus'20006,034,894'Nonvolatile semiconductor storage device having buried electrode within shallow trench'20005,968,272'Liquid applying apparatus and an image forming substance removing apparatus'19995,896,612'Method and apparatus for removing image forming substance from image holding member'19995,892,247'Semiconductor device and a manufacturing method thereof'19995,759,278'Liquid applying apparatus and an image forming substance removing apparatus'19985,716,036'Mounting structure for mounting a polygon mirror'19985,642,550'Apparatus for removing image forming substance from image holding member'19975,597,456'Method for producing medical materials'19975,357,162'Spindle motor using dynamic pressure bearings'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1998Patents assigned to EBARA CORP (2)· patent assignee history
1994–1998Based in Kanagawa, JP· patent location history
1997–2006Patents assigned to RICOH KK (9)· patent assignee history
1997–2006Based in Fujisawa, JP· patent location history
1997Based in Sagamihara, JP· patent location history
1999–2014Patents assigned to TOSHIBA KK (8)· patent assignee history
1999–2004Based in Yokohama, JP· patent location history
2012–2014Patents assigned to ARAI FUMITAKA (3)· patent assignee history
2012–2014Patents assigned to MARUYAMA TOHRU (3)· patent assignee history
2012–2014Based in Kamakura, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 9 | 1997–2006 |
| TOSHIBA KK | 8 | 1999–2014 |
| ARAI FUMITAKA | 3 | 2012–2014 |
| MARUYAMA TOHRUself | 3 | 2012–2014 |
| EBARA CORP | 2 | 1994–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fujisawa, JP | 9 | 1997–2006 |
| Yokohama, JP | 5 | 1999–2004 |
| Kamakura, JP | 3 | 2012–2014 |
| Kanagawa, JP | 2 | 1994–1998 |
| Sagamihara, JP | 1 | 1997 |