Inventor
Toshimitsu Iwai
Inventor
Tokyo, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them17%
G02BOptical elements, systems or apparatus14%
H04NPictorial communication, e.g. television11%
G05BControl or regulating systems in general8%
Y10TTechnical subjects covered by former us classification8%
B23PMetal-working not otherwise provided for6%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling6%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids6%
B23DPlaning3%
B23FMaking gears or toothed racks3%
PatentTitleYear
11,114,459Three-dimensional memory device containing width-modulated connection strips and methods of forming the same20219,969,017Wire saw apparatus and cut-machining method20188,388,144'Projection image display device'20137,924,513'Lens barrel'20117,768,722'Lens barrel'20107,551,377'Projection display apparatus'20097,532,247'Image pickup apparatus'20097,440,200'Projection type display apparatus having micro mirror type display element'20086,709,112'Light source device and projection type display capable of enclosing fragment herein in case of burst of discharge lamp during lighting'20045,580,198'Method and apparatus for manufacturing an article in the form of a scroll'19965,564,185'Method and apparatus for manufacturing an article in the form of a scroll'19964,893,971'NC machining apparatus'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Based in Kure, JP· patent location history
1996Patents assigned to TOVO ADVANCED TECHNOLOGIES CO (2)· patent assignee history
1996–2018Based in Hiroshima, JP· patent location history
2004–2013Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history
2004–2013Based in Tokyo, JP· patent location history
2009–2011Patents assigned to SONY CORP (3)· patent assignee history
2009–2011Patents assigned to TAMRON KK (3)· patent assignee history
2009–2011Based in Saitama, JP· patent location history
2013Patents assigned to IWAI TOSHIMITSU (1)· patent assignee history
2021Based in Yokkaichi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 4 | 2004–2013 |
| SONY CORP | 3 | 2009–2011 |
| TAMRON KK | 3 | 2009–2011 |
| TOVO ADVANCED TECHNOLOGIES CO | 2 | 1996 |
| IWAI TOSHIMITSUself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2004–2013 |
| Hiroshima, JP | 3 | 1996–2018 |
| Saitama, JP | 3 | 2009–2011 |
| Yokkaichi, JP | 1 | 2021 |
| Kure, JP | 1 | 1990 |