TK

Takashi Koga

KT Kabushiki Kaisha Toshiba: 10 patents #3,082 of 21,451Top 15%
TL Tokyo Electron Limited: 4 patents #1,723 of 5,567Top 35%
TL Teijin Chemicals Limited: 2 patents #42 of 196Top 25%
TO Toshiba: 2 patents #606 of 2,688Top 25%
Overall (All Time): #231,559 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12424461 Separating system and separating method Satoshi Nishimura, Takeshi Tamura, Yohei MAEDA 2025-09-23
11753569 Hot-melt composition and sealing material Tomonobu Yamauchi, Kazuya Furukawa, Daisuke Kumon 2023-09-12
10840213 Bonding system Masataka Matsunaga, Takahiro Masunaga, Yasutaka SOMA, Shogo HARA, Masaaki Umitsuki +2 more 2020-11-17
10424502 Substrate transfer device and bonding system Masataka Matsunaga, Takahiro Masunaga, Yasuharu Iwashita, Shingo Katsuki, Masaaki Umitsuki +2 more 2019-09-24
10340248 Bonding systems Masataka Matsunaga, Takeshi Tamura, Takahiro Masunaga, Yuji Mimura, Masaru Honda +2 more 2019-07-02
7241825 Polycarbonate resin composition, pellets thereof and molded article thereof Mitsuhiro Takeo, Daisuke Takahashi 2007-07-10
7148313 Polycarbonate resin composition and molded articles thereof Daisuke Takahashi, Mitsuhiro Takeo 2006-12-12
5311306 Motion detecting circuit for video signal processor Seiichi Tanaka, Kouichi Kurihara 1994-05-10
5231476 Luminance/chrominance separating apparatus Masahiko Mawatari, Seiichi Tanaka, Naoki Matsuda, Masatoshi Sumiyoshi 1993-07-27
5109285 Time base correction circuit for a reproduced video signal from a video tape recorder 1992-04-28
5099315 Circuit for separating luminance and chrominance signals from a composite video signal Toshikazu Fujii 1992-03-24
4952883 Phase detector circuit for periodic signal using three sampling data Akihiko Enomoto, Minoru Yoneda, Hiroshi Kobata 1990-08-28
4926101 DC motor stop detector and DC motor brake apparatus Akihiko Enomoto, Minoru Yoneda, Hiroshi Kobata 1990-05-15
4926133 FM demodulator having a frequency independent delay circuit 1990-05-15
4916542 Picture quality adjusting circuit with fir filter for digital processing Minoru Yoneda, Akihiko Enomoto, Hiroshi Kobata 1990-04-10
4737862 Video signal record/playback device 1988-04-12
4600897 Voltage-controlled oscillator of emitter-coupled astable multivibrator type Hisakazu Hitomi 1986-07-15
4573022 Semiconductor integrated circuit using vertical PNP transistors 1986-02-25
4571508 Differential switch circuit Hideyuki Hagino 1986-02-18