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Ken Tsugane — 11 Patents

HEHitachi Vlsi Engineering: 11 patents #38 of 666Top 6%
Hitachi: 11 patents #3,815 of 28,497Top 15%
Wenatchee, WA: #38 of 245 inventorsTop 20%
Washington: #9,483 of 76,902 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Ken Tsugane has been granted 11 US patents while listed as an inventor at Hitachi. The first was granted in 1993 and the most recent in May 2005. Ken Tsugane ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Ken Tsugane in Wenatchee, WA, US.

Patents per Year

Patents granted per year, 1993 to 2005Bar chart with a peak of 3 patents in 1998.peak 31993: 1 patents19931994: 1 patents19941996: 1 patents19961998: 3 patents19982000: 1 patents20002001: 1 patents20012002: 1 patents20022003: 1 patents20032005: 1 patents2005

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6894334 Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same Jun Sugiura, Osamu Tsuchiya, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii +22 more 2005-05-17 $82,000
6548847 SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE HAVING A FIRST WIRING STRIP EXPOSED THROUGH A CONNECTING HOLE, A TRANSITION-METAL FILM IN THE CONNECTING HOLE AND AN ALUMINUM WIRING STRIP THEREOVER, AND A TRANSITION-METAL NITRIDE FILM BETWEEN THE ALUMINUM WIRING STRIP AND THE TRANSITION-METAL FILM Jun Sugiura, Osamu Tsuchiya, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii +22 more 2003-04-15 $98,000
6342412 Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same Jun Sugiura, Osamu Tsuchiya, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii +22 more 2002-01-29 $286,000
6169324 Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same Jun Sugiura, Osamu Tsuchiya, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii +22 more 2001-01-02 $569,000
6127255 Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same Jun Sugiura, Osamu Tsuchiya, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii +22 more 2000-10-03 $928,000
5811316 Method of forming teos oxide and silicon nitride passivation layer on aluminum wiring Jun Sugiura, Osamu Tsuchiya, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii +22 more 1998-09-22 $131,000
5780882 Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same Jun Sugiura, Osamu Tsuchiya, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii +22 more 1998-07-14 $166,000
5739589 Semiconductor integrated circuit device process for fabricating the same and apparatus for fabricating the same Jun Sugiura, Osamu Tsuchiya, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii +22 more 1998-04-14 $140,000
5557147 Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same Jun Sugiura, Osamu Tsuchiya, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii +22 more 1996-09-17 $76,000
5331191 Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same Jun Sugiura, Osamu Tsuchiya, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii +22 more 1994-07-19 $89,000
5202275 Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same Jun Sugiura, Osamu Tsuchiya, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii +22 more 1993-04-13 $55,000

Frequent Collaborators

Masatoshi Tsuneoka11 shared
Yoshihiro Ikeda11 shared
Tomotsugu Shimmyo11 shared
Hiromichi Enami11 shared
Osamu Tsuchiya11 shared
Masakazu Sagawa11 shared

Nearby-Ranked Inventors

Ya-Ching Chang11
Hermann Lubbert11
Alexander WAITE11
Mehrad Mehr11
Matthew J. Purdey11
Nishtha Madaan11
Ian C. Richards11
Chad Huffman11
Lifeng Fan11