TK

Tetsuji Kawakami

Sumitomo Electric Industries: 4 patents #65 of 1,892Top 4%
MK Mitsubishi Kasei: 1 patents #43 of 266Top 20%
Overall (1994): #4,276 of 165,921Top 3%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
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