YF

Yoshio Fujiwara

SO Sony: 34 patents #939 of 25,231Top 4%
SK Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
NC New Oji Paper Co: 2 patents #17 of 139Top 15%
HC Hodogaya Chemical Co.: 2 patents #141 of 359Top 40%
SC Sumitomo Special Metals Co.: 2 patents #96 of 262Top 40%
TO Tokiwa: 1 patents #15 of 44Top 35%
SC Showa Water Industries Co.: 1 patents #5 of 14Top 40%
NC Neomax Co.: 1 patents #41 of 95Top 45%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
SD Showa Denko: 1 patents #231 of 593Top 40%
Overall (All Time): #73,965 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 25 most recent of 42 patents

Patent #TitleCo-InventorsDate
8025970 Fishing line and method for production thereof Junji Nakazaki, Manabu Hamamoto, Hidenobu Tsutsumi, Toshiaki Ihara, Ichiro Ono 2011-09-27
6953859 Production process for 5-alkyl-oxazolidin-2,4-dione Akira Shibuya, Yoshiaki Miyota, Norihito Nishimura, Makoto Saito 2005-10-11
6878210 Surface-treating holder having tubular structure and method using the same Yoshimi Tochishita, Yoshihiro Asagai, Ken Ohtagaki 2005-04-12
6821560 Surface-treating support member and method using the same Yoshimi Tochishita, Yoshihiro Asagai, Ken Ohtagaki 2004-11-23
6344567 Process for producing ascorbic acid-2-phosphoric ester salts Yuji Kobayashi, Makoto Saito 2002-02-05
6281270 Printing paper, dye-receiving layer forming composition for preparing it, ink composition suitable for it, and image forming method using them Kengo Ito 2001-08-28
6280792 Surface-treating process using support member having plate-like elements Yoshimi Tochishita, Yoshihiro Asagai, Ken Ohtagaki 2001-08-28
6177501 Printing paper, dye-receiving layer forming composition for preparing it, ink composition suitable for it, and image forming method using them Kengo Ito 2001-01-23
6063836 Printing paper, dye-receiving layer forming composition for preparing it, ink composition suitable for it, and image forming method using them Kengo Ito 2000-05-16
5883232 Hydrophobic cationic dyes and thermal transfer ink ribbons using the same Masanobu Hida, Kengo Ito, Nobuo Suzuki, Hiroyoshi Yamaga, Junichi Hagiwara 1999-03-16
5834600 Hydrophobic cationic dyes and thermal transfer ink ribbons using the same Masanobu Hida, Kengo Ito, Nobuo Suzuki, Hiroyoshi Yamaga, Junichi Hagiwara 1998-11-10
5688737 Thermal transfer recording medium Tetsuya Abe, Toshio Fukuda 1997-11-18
5665676 Printing sheet and manufacturing method therefor Yoshinori Nakamura, Huy Sam, Toshikazu Nagura, Shigeo Hayasi, Yukio Kusaka 1997-09-09
5608474 Image displaying device Etsuro Saito 1997-03-04
5589435 Sheet capable of releasing a thermal transfer image-receiving layer, a method for transferring a thermal transfer image-receiving layer from the sheet and a method for forming images Kengo Ito, Kaori Isaji, Mitsuhiro Isogai, Masanobu Hida 1996-12-31
5560996 Printing paper, dye-receiving layer forming composition for preparing it, ink composition suitable for it, and image forming method using them Kengo Ito 1996-10-01
5547739 Recording medium for heat sensitive transfer printing Kengo Ito 1996-08-20
5543453 Composition for fixing water-color ink, cover film for thermal transfer image using composition for fixing water-color ink, and thermal transfer image recorded medium Kengo Ito, Motohiro Mizumachi, Satoru Shinohara 1996-08-06
5470818 Printing sheet comprising a dye receiving layer made of an isocyanate group-containing polymer Yoshinori Nakamura, Huy Sam 1995-11-28
5470817 Printing sheet and manufacturing method therefor Yoshinori Nakamura, Huy Sam, Toshikazu Nagura, Shigeo Hayashi, Yukio Kusaka 1995-11-28
5462910 Composition for fixing water-color ink, cover film for thermal transfer image using composition for fixing water color-ink, and thermal transfer image recorded medium Kengo Ito, Motohiro Mizumachi, Satoru Shinohara 1995-10-31
5446012 Sheet capable of releasing a thermal transfer image-receiving layer, a method for transferring a thermal trnasfer image-receiving layer from the sheet and a method for forming images Kengo Ito, Kaori Isaji, Mitsuhiro Isogai, Masanobu Hida 1995-08-29
5402271 Video tape recorder monitors recording errors and rerecords video signals when errors are detected Kozo Kaminaga, Kazuo Ike, Tetsuro Makise, Kiyoshi Yamakawa, Kiyoshi Sawakata 1995-03-28
5393725 Thermal transfer system, printing paper and ink ribbon for the thermal transfer system Tetsuya Abe, Toshio Fukuda 1995-02-28
5387518 Alkaline protease having stability in solution with anionic surfactant, method for producing the same, use thereof and microorganism producing the same Toyoji Sawayanagi, Mina Saito, Toshi Tsuzuki, Yoshitaka Noguchi 1995-02-07