YT

Yukio Tokunaga

ML Mitsubishi Paper Mills Limited: 13 patents #22 of 458Top 5%
SC Sumitomo Durez Company: 11 patents #2 of 30Top 7%
NP Nippon Telegraph And Telephone Public: 5 patents #10 of 842Top 2%
IC Ihara Chemical Industry Co.: 5 patents #54 of 263Top 25%
KC Kumiai Chemical Industry Co.: 4 patents #78 of 284Top 30%
FC Fuji Kagakushi Kogyo Co.: 3 patents #5 of 37Top 15%
OC Oki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
NT NTT: 1 patents #2,911 of 4,871Top 60%
SC Sumitomo Bakelite Co.: 1 patents #403 of 790Top 55%
KO Kasei Optonix: 1 patents #58 of 142Top 45%
Overall (All Time): #82,651 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
11510408 Cryopreservation jig for cryopreserving cells or tissues Kakeru Yoshida, Atsushi Matsuzawa 2022-11-29
10624335 Tool for cryopreservation of cell or tissue and cryopreservation method Atsushi Matsuzawa, Katsumitsu Susaki 2020-04-21
9360747 Transmission type screen 2016-06-07
7615266 Ink jet recording material Shuzo Kinoshita, Masako Horai, Hiroyuki Onishi, Masaya Shibatani 2009-11-10
7541410 Thermosetting resin composition, thermosetting resin molding compound and cured product thereof Masayasu Horie, Shigeyoshi Furuhara 2009-06-02
7326440 Process for preparing an ink-jet recording material Iwao Maekawa 2008-02-05
6919110 Packaged product for ink-jet recording material, and recording method and recorded material using ink-jet recording material Masao Oketani, Kazuhito Hori 2005-07-19
6899930 Recording material for ink-jet Hideto Kiyama, Hanae Nakatani, Norimasa Miyachi 2005-05-31
6773771 Ink-jet recording sheet Tetsuya Ashida 2004-08-10
6613416 Ink-jet recording material Tetsuya Ashida 2003-09-02
6610389 Ink-jet recording material, and recording method of ink-jet recording and recorded material using the same Tomoko Ishimaru, Masahiko Maruyama 2003-08-26
6607269 Ink-jet recording material Koichi Sumioka, Kozo Haino, Hiroshi Sakaguchi, Yukihiro Suzuki, Masahiro Hanmura +1 more 2003-08-19
6589635 Ink-jet recording material and ink-jet recording method Yukihiro Suzuki, Satoshi Kaneko, Hiroyuki Onishi, Masahiro Hanmura, Hidemasa Kanada 2003-07-08
6579598 Ink-jet recording material Susumu Yamanobe 2003-06-17
6403162 Silica dispersion, method for preparing the same and method for making ink-jet recording material using the same Tetsuya Ashida, Hajime Sugita 2002-06-11
5404423 Method and apparatus for indetification, forecast, and control of a non-linear flow on a physical system network using a neural network Tadasu Uchiyama, Noboru Sonehara 1995-04-04
5034370 Color developer for pressure-sensitive recording paper Yukio Saeki 1991-07-23
4985432 5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and agricultural-horticultural fungicide composition containing the same Koichiro Kaku, Yoshiyuki Kojima, Shinichiro Maeno, Nobumitsu Sawai, Yasuo Saso 1991-01-15
4971971 5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and functional compositions containing the same Yoshiyuki Kojima, Shinichiro Maeno, Nobumitsu Sawai, Yasuo Saso 1990-11-20
4920186 Color developer for pressure sensitive recording paper and production thereof using phenol-mesitylene-formaldehyde resin Yukio Saeki 1990-04-24
4920185 Color developer for pressure-sensitive recording paper and production thereof using a phenol-xylene-formaldehyde resin Yukio Saeki 1990-04-24
4866064 5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and fungicidal compositions containing the same Yoshiyuki Kojima, Shinichiro Maeno, Nobumitsu Sawai, Yasuo Saso 1989-09-12
4795589 Silicate phosphor Tomoki Mikami, Mitsuharu Natsugari, Susumi Omatoi, Shinji Yokota 1989-01-03
4742063 Agricultural-horticultural fungicide employing 5H-1,3,4-thiadiazolo[3,2-a]p y Yoshiyuki Kojima, Shinichiro Maeno, Nobumitsu Sawai, Yasuo Saso 1988-05-03
4698370 Production of phenolic resin composite foam Yukio Saeki, Naomitsu Inoue 1987-10-06