Yasuo Yamasaki has been granted 45 US patents while listed as an inventor at Hitachi . The first was granted in 1981 and the most recent in December 2018. Yasuo Yamasaki ranks #64,393 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Yasuo Yamasaki in Yokohama, JP.
Patents per Year Patents granted per year, 1981 to 2018 Bar chart with a peak of 8 patents in 2010. peak 8 1981: 1 patents 1981 1982: 2 patents 1983: 1 patents 1984: 1 patents 1984 1985: 2 patents 1987: 1 patents 1990: 1 patents 1990 1991: 1 patents 1994: 1 patents 1996: 1 patents 1996 1999: 1 patents 2006: 1 patents 2007: 3 patents 2007 2008: 1 patents 2009: 1 patents 2010: 8 patents 2010 2011: 1 patents 2012: 4 patents 2013: 2 patents 2013 2014: 3 patents 2015: 4 patents 2016: 2 patents 2016 2017: 1 patents 2018: 1 patents 2018
Issued Patents All Time
Showing 1–25 of 45 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
10156717
Electro-optical device, method of manufacturing electro-optical device, electro-optical unit, and electronic apparatus
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2018-12-18
9547169
Electro-optical device, method of manufacturing electro-optical device, electro-optical unit, and electronic apparatus
—
2017-01-17
9397473
Laser diode and transmitter module
Nobumasa Okada
2016-07-19
9307111
Image reading device
—
2016-04-05
9154656
Image reading device
—
2015-10-06
9118800
Image reading apparatus
—
2015-08-25
9019578
Image reading apparatus and image forming apparatus
Hiroyuki Shingai , Takayuki Akimatsu
2015-04-28
9013766
Image reading apparatus capable of providing improved layout of wiring cable
Hiroyuki Shingai
2015-04-21
8922848
Reading unit and image reading apparatus
—
2014-12-30
8749001
Electronic component, electronic device, and method of manufacturing the electronic component
Terunao Hanaoka , Akinori Shindo , Seiichi Chiba , Toshiyuki ENTA , Shuji KOJIMA
2014-06-10
8631701
Sensor device, motion sensor, and electronic device
Seiichi Chiba , Shuji KOJIMA , Toshiyuki ENTA , Akinori Shindo , Terunao Hanaoka
2014-01-21
8543602
Access controller that controls access to files by using access control list
Akihiro Urano , Takaki Nakamura , Hitoshi Kamei , Masakuni Agetsuma
2013-09-24
8533160
NAS system and remote copy method
Sadahiro Nakamura
2013-09-10
8260811
Access controller that controls access to files by using access control list
Akihiro Urano , Takaki Nakamura , Hitoshi Kamei , Masakuni Agetsuma
2012-09-04
8212356
Semiconductor device having multi-layered wiring layer and fabrication process thereof
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2012-07-03
8145605
NAS system and remote copy method
Sadahiro Nakamura
2012-03-27
$164,000
8114788
Method for manufacturing semiconductor device
Shuichi Tanaka , Nobuaki Hashimoto
2012-02-14
7910498
Method for manufacturing semiconductor device
Shuichi Tanaka , Nobuaki Hashimoto
2011-03-22
7769721
Data recovery method in differential remote backup for a NAS system
Atsushi Ueoka
2010-08-03
$61,000
7763536
Method of manufacturing a semiconductor device
Hiroki Kato
2010-07-27
7761552
Root node for integrating NAS of different user name spaces
Takaki Nakamura , Hitoshi Kamei
2010-07-20
$57,000
7739242
NAS system and remote copy method
Sadahiro Nakamura
2010-06-15
$66,000
7719095
Lead frame and semiconductor device provided with lead frame
Seigoh Onobuchi
2010-05-18
7680983
Method of restoring data by CDP utilizing file system information
Atsushi Sutoh
2010-03-16
$67,000
7647497
Method and program for user authentication in a network storage system
Akihiko Sakaguchi , Yohsuke Ishii
2010-01-12
$126,000