KT

Keiji Tanaka

Sumitomo Electric Industries: 71 patents #74 of 21,551Top 1%
SI Sanyo Chemical Industries: 10 patents #6 of 607Top 1%
Shell Oil Compny: 9 patents #321 of 4,423Top 8%
Canon: 6 patents #8,497 of 19,416Top 45%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
KD Kdd: 4 patents #10 of 96Top 15%
NT NTT: 3 patents #1,627 of 4,871Top 35%
TS Tokyo Metropolitan Institute Of Medical Science: 3 patents #15 of 122Top 15%
KU Kyushu University: 3 patents #30 of 186Top 20%
KS Kdd Submarine Cable Systems: 2 patents #12 of 42Top 30%
IC Idemitsu Kosan Co.: 2 patents #509 of 1,237Top 45%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
KD Kddi: 2 patents #137 of 396Top 35%
NI Nissan Chemical Industries: 2 patents #451 of 1,150Top 40%
TC Taiho Kogyo Co.: 1 patents #179 of 332Top 55%
TB Takara Bio: 1 patents #118 of 224Top 55%
EB Ebara: 1 patents #1,014 of 1,611Top 65%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Air Conditioning Systems Co.: 1 patents #4 of 23Top 20%
HA Hitachi Appliances: 1 patents #56 of 109Top 55%
KS Kddi Submarine Cable Systems: 1 patents #11 of 27Top 45%
KC Kyowa Hakko Kogyo Co.: 1 patents #549 of 943Top 60%
KU Kyushu University, National University: 1 patents #221 of 767Top 30%
OC Otsuka Pharmaceutical Co.: 1 patents #681 of 1,273Top 55%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
SK Showa Shell Sekiyu K.K.: 1 patents #27 of 82Top 35%
SL Sumitomo Pharmaceuticals Company Limited: 1 patents #135 of 327Top 45%
SI Sumitomo Rubber Industries: 1 patents #1,096 of 1,637Top 70%
SC Sun-S Co.: 1 patents #2 of 13Top 20%
SM Suzuki Motor: 1 patents #523 of 1,209Top 45%
Overall (All Time): #7,227 of 4,157,543Top 1%
139
Patents All Time

Issued Patents All Time

Showing 101–125 of 139 patents

Patent #TitleCo-InventorsDate
6630534 Polyurethane paste composition and sealing material Toshihiko Kinsho, Takashi Yabuta, Keiichi Yokouchi, Takao Nomura 2003-10-07
6594428 Dispersion compensating optical transmission line and system Takehiro Tsuritani, Noboru Edagawa, Masatoshi Suzuki 2003-07-15
6504638 Optical amplifying transmission system and optical amplifier Noboru Edagawa, Hidenori Taga, Shu Yamamoto 2003-01-07
6500787 Lubricant composition and its use in a ball joint Yoshihisa Yatsuzuka, Ryuichi Masumori 2002-12-31
6465254 Mutant loxP site and applications thereof Izumu Saito 2002-10-15
6397067 Roadside transmitter Takashi Maehata 2002-05-28
6325040 Cylinder direct injection engine 2001-12-04
6284362 Absorbent compositions, methods for producing thereof and absorbent products Hitoshi Takai, Tsuyoshi Yuki, Shingo Mukaida, Daisuke Tagawa, Kenji Tanaka +2 more 2001-09-04
6206365 Sheet receiving apparatus for sorting and stacking sheets on a tray with friction-free horizontal reciprocation Toyoaki Nanba, Jinichi Nagata, Tomomi Tanaka, Takehiko Josako 2001-03-27
6142469 Sheet ejecting mechanism with contact member and advance descending of tray to prevent direct return of contact member Toyoaki Nanba, Jinichi Nagata, Tomomi Tanaka, Takehiko Josako 2000-11-07
6115173 Optical amplifying transmission system and optical amplifier Noboru Edagawa, Shu Yamamoto 2000-09-05
5886120 Method for preparing water absorbent resin Masashi Date, Kenjiro Tsubota, Tsuyoshi Yuki, Satoshi Tamabuchi 1999-03-23
5846810 Human 26S proteasome subunit components Keiichi Yano, Motoo Yamasaki 1998-12-08
5801238 Method for producing water absorbent resin and water absorbent Masashi Date, Kenjiro Tsubota, Tsuyoshi Yuki, Satoshi Tamabuchi 1998-09-01
5789507 Method for preparing water absorbent resin Masashi Date, Satoshi Tamabuchi, Tsuyoshi Yuki, Kenjiro Tsubota 1998-08-04
5751452 Optical devices with high polymer material and method of forming the same Kinya Kato, Shinji Tsuru, Shigenobu Sakai 1998-05-12
5748272 Method for making an optical device using a laser beam interference pattern Kinya Kato, Shinji Tsuru, Shigenobu Sakai 1998-05-05
5747570 Water-absorbing resin composition Masashi Date, Tsuyoshi Yuki, Kenjiro Tsubota, Satoshi Tamabuchi 1998-05-05
5728792 Method for preparing water absorbent resin Masashi Date, Kenjiro Tsubota, Tsuyoshi Yuki, Satoshi Tamabuchi 1998-03-17
5710308 Process for producing ogranophosphorus ester compound and reactive flame retardant Munekazu Sataka 1998-01-20
5425942 Polyfunctinal protease 1995-06-20
5351621 Traveling inspection robot system Tatsuyuki Omote, Yutaka Kometani, Masaki Takahashi, Tsuyoshi Kido, Tetsuo Waki +1 more 1994-10-04
5312913 Electrically conductive complex Makoto Mizutani, Kazushige Kawabata 1994-05-17
5175280 Thia-and/or selenafulvalenyl group-containing compound Makoto Mizutani, Kazushige Kawabata 1992-12-29
5158802 Process for producing a magnetic recording material Makoto Yoshimura, Shinichi Funabashi 1992-10-27