KT

Koichi Takahashi

Fujitsu Limited: 41 patents #423 of 24,456Top 2%
OC Olympus Optical Co.: 33 patents #37 of 2,334Top 2%
Honda Motor Co.: 19 patents #691 of 21,052Top 4%
OL Olympus: 17 patents #188 of 3,097Top 7%
KT Kabushiki Kaisha Toshiba: 14 patents #2,131 of 21,451Top 10%
IBM: 11 patents #9,995 of 70,183Top 15%
NE Nec: 10 patents #1,345 of 14,502Top 10%
SH Shinkawa: 8 patents #35 of 229Top 20%
SE Seiko Epson: 7 patents #2,406 of 7,774Top 35%
FU Fujikura: 6 patents #200 of 1,407Top 15%
AC Alps Electric Co.: 5 patents #368 of 2,177Top 20%
Nissan Motor Co.: 5 patents #1,472 of 8,689Top 20%
AI Airbnb: 4 patents #30 of 376Top 8%
MM Mitsubishi Mining: 3 patents #285 of 2,247Top 15%
IC Idemitsu Kosan Co.: 3 patents #409 of 1,237Top 35%
DK Denki Kagaku Kogyo: 3 patents #98 of 655Top 15%
OI Olympus Imaging: 3 patents #113 of 341Top 35%
TC Tokyo Ohka Kogyo Co.: 2 patents #345 of 684Top 55%
CK Calsonic Kansei: 2 patents #178 of 675Top 30%
FU Fujifilm: 2 patents #2,431 of 4,519Top 55%
NU National University Corporation Tottori University: 2 patents #23 of 154Top 15%
NC Nippon Bee Chemical Co.: 2 patents #7 of 66Top 15%
NC Nippon Paint Holdings Co.: 2 patents #265 of 834Top 35%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
BO BOE: 1 patents #7,844 of 12,373Top 65%
LJ Lumentum Japan: 1 patents #43 of 67Top 65%
Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
NM Nippon Mektron: 1 patents #123 of 286Top 45%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
NC Nippon Shinyaku Co.: 1 patents #122 of 237Top 55%
SS Suwa Seikosha: 1 patents #103 of 220Top 50%
OC Oci Company: 1 patents #33 of 112Top 30%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
IH Ihi: 1 patents #624 of 1,178Top 55%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
SS Saginomiya Seisakusho: 1 patents #85 of 162Top 55%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
EB Ebara: 1 patents #1,014 of 1,611Top 65%
DC Denka Seiken Co.: 1 patents #45 of 73Top 65%
TC Toyo Kogyo Co.: 1 patents #64 of 216Top 30%
UA Uacj: 1 patents #113 of 238Top 50%
MT Mitsubishi Heavy Industries Engine & Turbocharger: 1 patents #139 of 278Top 50%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
MP Mitsubishi Power: 1 patents #176 of 508Top 35%
Overall (All Time): #2,590 of 4,157,543Top 1%
224
Patents All Time

Issued Patents All Time

Showing 201–224 of 224 patents

Patent #TitleCo-InventorsDate
5144350 Photographic film cartridge Kazuo Okutsu, Hisashi Takahashi, Masuhiko Hirose, Haruo Ichikawa, Kuniharu Kitagawa +1 more 1992-09-01
5127365 Vertical heat-treatment apparatus for semiconductor parts Mitsutoshi Koyama, Hironori Sonobe 1992-07-07
5111272 Semiconductor device having element regions electrically isolated from each other Naoto Miyashita, Hironori Sonobe, Mitsutoshi Koyama 1992-05-05
5093311 Oxide superconductor cable and method of producing the same Takao Shiota, Hiroshi Hidaka, Masahiro Sato, Osamu Fukuda, Koichi Inada 1992-03-03
5083721 Photographic film cartridge Kazuo Okutsu, Hisashi Takahashi, Haruo Ichikawa, Masuhiko Hirose, Kazunori Mizuno 1992-01-28
5070468 Plant fault diagnosis system Toshihiko Niinomi, Ryohei Funakoshi, Shigeru Kaseda 1991-12-03
D321701 Liquid crystal sunglasses Yasuhiro Nomura 1991-11-19
D321006 Color copy machine Keisuke Tsuji 1991-10-22
5057484 Single crystal oxide superconductor and method of producing the same Takao Shiota, Hiroshi Hidaka, Masahiro Sato, Osamu Fukuda 1991-10-15
5049267 Filter arrangement for a fuel tank comprising shaped mesh sections Michiaki Sasaki, Joji Masuda 1991-09-17
5029554 Semiconductor manufacturing apparatus including a temperature control mechanism Naoto Miyashita, Hiroshi Kinoshita 1991-07-09
5016186 Method of detecting noise disappearance and detecting device therefor Ichiro Toyoda, Toshihiko Niinomi, Shigeru Kaseda 1991-05-14
4985333 Positive-working photosensitive composition with three difference 1,2-naphthoquinone diazide sulfonic acid esters to include the ester of curcumin Nobuo Tokutake, Yoshiyuki Satoh, Hidekatsu Kohara, Toshimasa Nakayama 1991-01-15
4970197 Oxide superconductor Takao Shiota, Hiroshi Hidaka, Masahiro Sato, Osamu Fukuda 1990-11-13
4962401 Film cartridge 1990-10-09
4891089 Apparatus for adhering ribbons to cartridge shell plate Kazuo Okutsu, Yoshihiro Ide, Hiroshi Takei, Yukio Ishida, Kazumasa Harada 1990-01-02
4862579 Apparatus for adhering ribbons to cartridge shell plate Kazuo Okutsu, Yoshihiro Ide, Hiroshi Takei, Yukio Ishida, Kazumasa Harada 1989-09-05
4794363 Thermostat type operating temperature setting apparatus utilizing conical compression spring Shigeru Hirata, Hideyuki Yajima 1988-12-27
D266490 Wrist watch 1982-10-12
4347780 Operating valve assembly for a power steering Megumu Higuchi, Minoru Watanabe 1982-09-07
4296719 Multiple cylinder internal combustion engine having mixture cut off means Fumio Hinatase, Akira Shibanaka 1981-10-27
4290452 Rotary-motion valve and power-assisted steering system incorporating the valve Megumu Higuchi 1981-09-22
4285089 Windshield washer of motor vehicle Yoshiaki Kato 1981-08-25
4193264 Pressured fluid supply system Yoshikazu Hayakawa, Keizaburo Usui 1980-03-18