TK

Takashi Kumaki

HC Hitachi Chemical Company: 8 patents #199 of 1,946Top 15%
VJ Victor Company Of Japan: 7 patents #172 of 1,489Top 15%
MC Mitsui Takeda Chemicals: 3 patents #4 of 41Top 10%
TI Takeda Chemical Industries: 2 patents #497 of 1,420Top 35%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
RE Resonac: 1 patents #191 of 474Top 45%
JL Japan Aviation Electronics Industry, Limited: 1 patents #440 of 728Top 65%
Overall (All Time): #190,475 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12378376 Optically softening resin composition, method for producing softened product of optically softening resin composition, curable resin composition and cured product of same, and patterned film and method for producing same Yuki Miyamoto, Junichi Kamei, Hiroshi Osaki, Koichi Saito 2025-08-05
11888265 Shielded connector having a first metal member with a contacting portion contacting a second and a third metal member Hiroto Nishimori, Tomoyuki Hirano 2024-01-30
8501392 Photosensitive element, method for formation of resist pattern, and method for production of print circuit board Manabu Saitou, Junichi Iso, Tatsuya Ichikawa, Takeshi Ohashi, Hanako Yori +1 more 2013-08-06
8198008 Photosensitive resin composition, photosensitive element, method for forming resist pattern and method for producing printed wiring board Masahiro Miyasaka 2012-06-12
8192916 Photosensitive resin composition, photosensitive element, method for forming resist pattern and method for producing printed wiring board Masahiro Miyasaka 2012-06-05
8105759 Photosensitive resin composition, and, photosensitive element, method for forming resist pattern, method for manufacturing printed wiring board and method for manufacturing partition wall for plasma display panel using the composition Masahiro Miyasaka 2012-01-31
7993809 Photosensitive resin composition, photosensitive element, method for forming resist pattern and method for producing printed wiring board Masahiro Miyasaka 2011-08-09
7622243 Photosensitive element, resist pattern formation method and printed wiring board production method Masahiro Miyasaka, Yasuhisa Ichihashi, Toshiki Ito, Makoto Kaji 2009-11-24
7504471 Sulfur-containing phenolic resin, process for preparing the same, phenol derivatives having thioether structure or disulfide structure, process for preparing the same and epoxy resin composition and adhesive Haruaki Sue, Hideyasu Tsuiki, Hiroshi Matsutani, Toshihiko Takasaki, Iwao Fukuchi 2009-03-17
7491789 Disulfide-containing phenolic resin as curing agent for epoxy resin Haruaki Sue, Hideyasu Tsuiki, Hiroshi Matsutani, Toshihiko Takasaki, Iwao Fukuchi 2009-02-17
6667416 Method and apparatus for producing polyester polyol, polyester polyol and polyurethane foam Kouichi Murayama, Katsumi Inaoka 2003-12-23
6660236 Apparatus for decomposition and recovery of polyurethane resin Katsuhisa Kodama, Kouichi Murayama, Fumihiko Kasuya, Yoshiyuki Nagase, Masaaki Nakata +1 more 2003-12-09
6515036 Method of decomposing a polyurethane Koichi Murayama, Katsuhisa Kodama 2003-02-04
6489373 Method for decomposition and recovery of polyurethane resin Katsuhisa Kodama, Kouichi Murayama 2002-12-03
6204300 Low resilience urethane foam Masakazu KAGEOKA, Katsumi Inaoka 2001-03-20
4602361 Apparatus for playing back rotating recording mediums Takashi Saito 1986-07-22
4489409 Signal pickup device for disc reproducers Takashi Saito, Tatsuya Miki 1984-12-18
4416004 Rotary recording medium reproducing apparatus having a lid member guiding mechanism Takashi Saito 1983-11-15
4410972 Rotary recording medium reproducing apparatus having a jacket opening enlarging device Takashi Saito 1983-10-18
4410973 Rotary recording medium reproducing apparatus having a switch mechanism for detecting return of a jacket opening enlarging mechanism Takashi Saito, Toru Kishi 1983-10-18
4400808 Rotary recording medium reproducing apparatus Takashi Saito, Toshio Hirano 1983-08-23
4395744 Disc-shaped recording medium reproducing apparatus Takashi Saito, Toshio Hirano 1983-07-26