TK

Tetsuji Kawakami

Sumitomo Electric Industries: 28 patents #554 of 21,551Top 3%
Mazda Motor: 7 patents #532 of 4,755Top 15%
TC Tokyo Seimitsu Co.: 3 patents #46 of 257Top 20%
MK Mitsubishi Kasei: 3 patents #121 of 911Top 15%
NC Nippon Paint Holdings Co.: 2 patents #265 of 834Top 35%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
NC Nippon Shokubai Kagaku Kogyo Co.: 1 patents #186 of 341Top 55%
MC Matushita Electric Industrial Co.: 1 patents #3 of 106Top 3%
Overall (All Time): #72,893 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
5460754 Non-linear optical material, method of manufacturing the same and optical wavelength converter Yusuke Ozaki, Hisashi Minemoto, Nobuo Sonoda, Tatsurou Kawamura, Katsuya Wakita 1995-10-24
5346653 Non-linear optical material, method of manufacturing the same and optical wavelength converter Yusuke Ozaki, Hisashi Minemoto, Nobuo Sonoda, Tatsurou Kawamura, Katsuya Wakita 1994-09-13
5347394 Nonlinear optical materials, method of manufacturing the same, and optical wavelength converter Katsuya Wakita, Nobuo Sonoda, Hisashi Minemoto 1994-09-13
5334574 Method for thermal dye transfer printing, dye transfer sheets and method for making same, dye receiving sheets and a thermal printing system Hiromu Matsuda, Keiichi Yubakami, Akihiro Imai, Nobuyoshi Taguchi 1994-08-02
5292714 Dye transfer type thermal printing sheets Akihiro Imai, Nobuyoshi Taguchi, Yukichi Murata, Takao Hirota 1994-03-08
5274061 Polymerizable substituted amide compound, polymer obtained therefrom and nonlinear optical material using the same Satoshi Urano, Noriyuki Tsuboniwa, Katsuya Wakita 1993-12-28
5217941 Dye transfer type thermal printing sheets Akihiro Imai, Nobuyoshi Taguchi, Yukichi Murata, Takao Hirota 1993-06-08
5200552 Polymerizable substituted amide compound, polymer obtained therefrom and nonlinear optical material using the same Satoshi Urano, Noriyuki Tsuboniwa, Katsuya Wakita 1993-04-06
5154858 Nonlinear optical compound Katsuya Wakita, Nobuo Sonoda, Hisashi Minemoto, Tatsurou Kawamura, Yusuke Ozaki 1992-10-13
5145827 Dye-receiving sheets for dye transfer type thermal printing Akihiro Imai, Hiromu Matsuda, Keiichi Yubakami, Nobuyoshi Taguchi 1992-09-08
5146237 Resistive sheet transfer printing and electrode head Nobuyoshi Taguchi, Akihiro Imai, Hiromu Matsuda, Keiichi Yubakami 1992-09-08
5137865 Method for thermal dye transfer printing, dye transfer sheets and method for making same, dye receiving sheets and a thermal printing system Hiromu Matsuda, Keiichi Yubakami, Akihiro Imai, Nobuyoshi Taguchi 1992-08-11
5118657 Dye transfer type thermal printing sheets Hiromu Matsuda, Keiichi Yubakami, Akihiro Imai, Nobuyoshi Taguchi 1992-06-02
5063198 Dye transfer type thermal printing sheets Akihiro Imai, Hiromu Matsuda, Keiichi Yubakami, Nobuyoshi Taguchi 1991-11-05
5043318 Dye transfer type thermal printing sheet Hiromu Matsuda, Sigeru Tanimori, Yoshinori Sano 1991-08-27
5028582 Receiving sheets for dye transfer type thermal printing Akihiro Imai, Hiromu Matsuda, Keiichi Yubakami, Nobuyoshi Taguchi 1991-07-02
4985396 Dye transfer type thermal printing sheets Akihiro Imai, Nobuyoshi Taguchi, Yukichi Murata, Takao Hirota 1991-01-15