KT

Kazuyuki Tanaka

HC Hitachi Chemical Company: 7 patents #228 of 1,946Top 15%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
TC Toyo Kogyo Co.: 6 patents #6 of 216Top 3%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
OC Olympus Optical Co.: 5 patents #667 of 2,334Top 30%
SC Sumitomo Chemical: 5 patents #946 of 4,033Top 25%
FS Furukawa Automotive Systems: 4 patents #41 of 269Top 20%
FC Furukawa Electric Co.: 4 patents #473 of 2,370Top 20%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
FK Futaba Denshi Kogyo K.K.: 2 patents #68 of 173Top 40%
SS Sgs-Thomson Microelectronics S.A.: 1 patents #534 of 957Top 60%
KO Konica: 1 patents #1,290 of 1,958Top 70%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
FK Futaba Denshi Kogyo: 1 patents #54 of 123Top 45%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
Pioneer Electronic: 1 patents #1,093 of 1,840Top 60%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
SC Seikosha Co.: 1 patents #184 of 312Top 60%
📍 Tainai, JP: #1 of 1 inventorsTop 100%
Overall (All Time): #49,370 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 26–50 of 53 patents

Patent #TitleCo-InventorsDate
5668703 Boost converter for driving a capacitive load Domenico Rossi 1997-09-16
5589596 Process for producing amines Atsushi Furutani, Takuo Hibi, Michio Yamamoto, Kazuhiro Tada, Masami Fukao +1 more 1996-12-31
5238730 Electrical laminate with dibasic acid-modified epoxy (meth)acrylate Akinori Hanawa, Mitsuo Yokota, Akira Shimizu, Yukihiko Yamashita 1993-08-24
5109088 Resin composition for cement Takeo Ohwada 1992-04-28
5075404 Concrete-protective material Takeo Ohwada, Etsuji Iwami 1991-12-24
5041152 Apparatus for bending tubular glass Noriaki Nishigaki, Hisao Hosoya, Youichi Iwasaki, Morio Tominaga 1991-08-20
5009949 Resin composition and electrical laminate obtained therefrom Etsuji Iwami, Jun Matsuzawa, Yoshiyuki Mukoyama, Norihiko Shibata, Akinori Hanawa +1 more 1991-04-23
4990409 Flame retardant electrical laminate Etsuji Iwami, Akinori Hanawa, Mitsuo Yokota 1991-02-05
4951093 Developing unit for an electrostatic recording apparatus Kohji Ishii, Hiroyuki Honda, Noboru Koizumi 1990-08-21
4893055 Process for using unsaturated polyester resin composition for treating cathode-ray tubes and cathode tubes obtained thereby Tadashi Fuzii, Hirohumi Izumi, Etsuji Iwami 1990-01-09
4846016 Direct-coupling/differential changeover transfer apparatus Kenji Takeuchi, Koji Kiryu 1989-07-11
4843408 Thermal recording device 1989-06-27
4590976 Exhaust apparatus for electric lamps Noriaki Nishigaki 1986-05-27
4556879 Video display apparatus 1985-12-03
4546350 Display apparatus 1985-10-08
4527154 Display system 1985-07-02
4491832 Device for displaying characters and graphs in superposed relation 1985-01-01
4468662 Display apparatus for displaying characters or graphics on a cathode ray tube 1984-08-28
4450442 Display processor for superimposed-picture display system 1984-05-22
4430112 Sheet glass producing apparatus 1984-02-07
4348616 Preset lighting device Yoshiharu Ueki, Yoshiro Kunugi, Shozaburo Sakaguchi 1982-09-07
4304883 Unsaturated polyester resin composition for coating metal substrates Tadashi Fujii, Tsutomu Toyoda, Hirobumi Izumi 1981-12-08
4224918 Cylinder head construction Kazuo Kobayashi, Itsuro Okabe, Toshimitsu Tanaka 1980-09-30
4215539 Exhaust gas purifying apparatus for automobile multi-cylinder engine Tatsuro Oda 1980-08-05
4215540 Exhaust gas purifying apparatus for automobile multi-cylinder engine Kazuo Kobayashi, Tadataka Nakazumi, Tatsuro Oda 1980-08-05