YT

Yutaka Tokiwa

JS Jsp: 4 patents #43 of 134Top 35%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
SH Shimadzu: 2 patents #805 of 2,007Top 45%
TK Toyo Boseki Kabushiki Kaisha: 2 patents #343 of 1,085Top 35%
CC Chuo Kagaku Co.: 2 patents #2 of 9Top 25%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
MC Mitsubishi Gas Chemical Company: 1 patents #1,048 of 1,727Top 65%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
📍 Tsuchiura, JP: #46 of 519 inventorsTop 9%
Overall (All Time): #277,770 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
8406368 Burn-up profile measuring method, burn-up profile measuring apparatus, radiation signal distribution measuring apparatus, and burn-up profile measuring program Hironori Kumanomido, Naotaka Oda, Makoto Ueda 2013-03-26
7754864 Tyrosinase activity controlling agent, process for producing the same and external preparation containing the same Masaru Kitagawa, Kenji Yoshino, Shusaku Yanagidani, Takao Raku, Tetsuzo Totani +1 more 2010-07-13
7235398 Method for degrading polylactide resins 2007-06-26
6987138 Biodegradable polylactide resin composition Takao Raku 2006-01-17
6669771 Biodegradable resin compositions Akihito Tsuchiya 2003-12-30
6066492 Microorganism capable of degrading polylactic acid resin and method of degrading polylactic acid resin using said microorganism Hiroyuki Jikuya, Naoko Nagai 2000-05-23
5925556 Method of degrading polylactic acid resin using staphylococcus hominis and staphylococcus epidermidis Hiroyuki Jikuya, Naoko Nagai 1999-07-20
5859217 Process for producing polymerization sugar esters Shigeo Shibatani 1999-01-12
5854058 Method of decomposing hard type rubber products Akio Tsuchii, Kiyoshi Takeda 1998-12-29
5674740 Enzymatic decomposition of polycarbonate resin Tetsushi SUYAMA 1997-10-07
5401778 Biodegradable plastic composition and biodegradable plastic shaped body Akira Iwamoto, Masahiro Harada, Shigeki Imagawa, Teizi Urakami 1995-03-28
5256711 Starch-containing biodegradable plastic and method of producing same Sigeyuki Takagi, Masatoshi Koyama 1993-10-26
5225490 Biodisintegrable thermoplastic resin moldings and a process for producing same Akira Iwamoto, Kiyoshi Takeda 1993-07-06
5206087 Biodecomposable or biodisintegrable moldable material Masahiro Suzuki, Masatoshi Koyama 1993-04-27
5124371 Biodegradable plastic composition, biodegradable plastic shaped body and method of producing same Akira Iwamoto, Kiyoshi Takeda 1992-06-23
5116880 Biodisintegrable thermoplastic resin foam and a process for producing same Akira Iwamoto 1992-05-26
5110838 Biodisintegrable thermoplastic resin foam and a process for producing same Akira Iwamoto 1992-05-05