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Tetsuo Imai — 15 Patents

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
TOTokuyama: 3 patents #111 of 562Top 20%
Yamaha Motor: 3 patents #603 of 2,310Top 30%
Nec: 3 patents #4,217 of 14,502Top 30%
MCMaruyama Industrial Co.: 2 patents #2 of 5Top 40%
NCNippon Mining & Metals Co.: 1 patents #80 of 166Top 50%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Tetsuo Imai has been granted 15 US patents while listed as an inventor at Nec. The first was granted in 1986 and the most recent in April 2015. Tetsuo Imai ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Tetsuo Imai in Nagano, MN, JP.

Patents per Year

Patents granted per year, 1986 to 2015Bar chart with a peak of 2 patents in 1989.peak 21986: 1 patents19861987: 1 patents1989: 2 patents19891990: 1 patents2000: 1 patents20002001: 1 patents2003: 1 patents20032007: 1 patents2008: 2 patents20082009: 1 patents2010: 1 patents20102012: 1 patents2015: 1 patents2015

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9017563 Plating method of circuit substrate, production method of plated circuit substrate, and silver etching liquid Emi Ushioda 2015-04-28
8309164 Metallized substrate and method for producing the same Osamu Yatabe, Masakatsu Maeda 2012-11-13
7684417 Method of migrating processes between networks and network system thereof Soichiro Araki, Yoshihiko Suemura, Norihito Fujita, Tomoyoshi Sugawara 2010-03-23
7603480 System using pseudo redundant configurator to switch network devices between operating and standby states Soichiro Araki, Tomoyoshi Sugawara, Norito Fujita 2009-10-13
7443800 Method and apparatus for designing a spanning tree virtual network — 2008-10-28
7383608 Vacuum-cleaner suction tool and vacuum cleaner using the same Toru Odachi, Hideo Okubo, Saburo Kajikawa 2008-06-10 $634,000
7311742 Vacuum cleaner Hiroshi Mori, Toru Odachi, Kenichiro Sunaba 2007-12-25
6576600 Detergent Satoshi Mochizuki 2003-06-10
6168766 Process for leaching copper from copper sulfide using bacteria Atsushi Saitoh 2001-01-02
D431698 Rotary brush for electric vacuum cleaner Shinichi Hoshide, Koichi Fujita, Yoshitaka Murata 2000-10-03
4919441 Vehicle with steering-controlled torsion bar stabilizer Gregory J. Marier, Wayne L. Warnke 1990-04-24
4815759 Vehicle with steering-controlled torsion bar stabilizer Gregory J. Marien, Wayne L. Warnke 1989-03-28
4804198 Vehicle with steering-controlled torsion bar stabilizer Gregory J. Marier, Wayne L. Warnke 1989-02-14
D287755 Ultrasonic humidifier Toshio Yamazaki 1987-01-13
D283835 Combined bidet toilet seat and cover Eiki Maruyama 1986-05-13

Frequent Collaborators

Wayne L. Warnke3 shared
Soichiro Araki2 shared
Gregory J. Marier2 shared
Toru Odachi2 shared
Tomoyoshi Sugawara2 shared
Saburo Kajikawa1 shared

Nearby-Ranked Inventors

Naoya Kasahara15
Aaron Larry Snyder15
Avishay Meron15
Stuart Hatfield15
Satoshi KUNIYASU15
Ashton Mason15
Theodore Yuchiang Cheng15
Richard Sharbaugh15
Rajen Bhatt15