YA

Yukio Aoki

NC Nippon Shokubai Co.: 8 patents #143 of 1,108Top 15%
NC Nippon Shokubai Kagaku Kogyo Co.: 5 patents #41 of 341Top 15%
NC Nippon Yakin Kogyo Co.: 4 patents #11 of 74Top 15%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
MK Mitsubishi Denki K.K.: 2 patents #70 of 577Top 15%
SO Sony: 1 patents #17,262 of 25,231Top 70%
MM Mitsubishi Materials: 1 patents #812 of 1,543Top 55%
OK Otsuka Kagaku Kabushiki Kaisya: 1 patents #86 of 183Top 50%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #139,516 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
8859115 Cemented carbide material for surface coated gear cutting tool and surface coated gear cutting tool 2014-10-14
6429332 Catalyst for production of acrylic acid and method for production of acrylic acid by the use of the catalyst Michio Tanimoto, Tatsuya Kawajiri, Hiromi Yunoki 2002-08-06
6323786 Absolute-value encoder device Hirokazu Sakuma, Takashi Okamuro, Yoichi Ohmura, Toshikazu Satone 2001-11-27
6027808 Cemented carbide for a drill, and for a drill forming holes in printed circuit boards which is made of the cemented carbide Hideto Kurata, Masaru Ishii, Masahiro Machida 2000-02-22
5981804 Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and method for production of unsaturated aldehyde and unsaturated carboxylic acid by use of the catalyst Ikuo Kurimoto, Tatsuya Kawajiri, Hideo Onodera, Michio Tanimoto 1999-11-09
5891248 Apparatus for producing an exhaust gas cleaning metal carrier Yoshikazu Koshiba, Yasuhide Kuroda, Tsuyoshi Minakata, Masaru Iizuka 1999-04-06
5700752 Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid and method for production of unsaturated aldehyde and unsaturated carboxylic acid by the use of the catalyst Ikuo Kurimoto, Tatsuya Kawajiri, Hideo Onodera, Michio Tanimoto 1997-12-23
5676726 Matrix and agricultural materials Masahiro Tanaka 1997-10-14
5677686 Absolute position detection apparatus and error compensation methods therefor Mitsuyasu Kachi, Hirokazu Sakuma, Tsutomu Kazama, Takao Mizutani 1997-10-14
5618974 Catalyst for production of methacrylic acid and method for production of methacrylic acid by the use of the catalyst Ikuo Kurimoto, Hideo Onodera 1997-04-08
5593646 Method for producing an exhaust gas cleaning metal carrier Yoshikazu Koshiba, Yasuhide Kuroda, Tsuyoshi Minakata, Masaru Iizuka 1997-01-14
5557847 Method of producing a metal honeycomb carrier Yoshikazu Koshiba, Tsuyoshi Minakata, Michio Inamura, Tomohiro Yasunaga, Fujiya Imoto +1 more 1996-09-24
5406077 Absolute value encoder and an output correction method of absolute value encoder having a signal processing/control circuit Takao Mizutani, Tsutomu Kazama, Mitsuyasu Kachi, Tadakatsu Yokoi, Hirokazu Sakuma 1995-04-11
5395599 Catalyst-carrying metallic carrier and production method thereof Yoshikazu Koshiba 1995-03-07
5329043 Method of preparing methacrolein and/or methacrylic acid Ikuya Matsuura 1994-07-12
5295904 Air conditioning system Masaji Yamashita, Seiichi Iizima 1994-03-22
5276178 Process for producing methacrolein and methacrylic acid Hideo Onodera, Shigeru Ohno, Ikuo Kurimoto 1994-01-04
5276722 Absolute multi-revolution encoder Takao Mizutani 1994-01-04
5264627 Method for production of methacrylic acid Hiroyuki Tazaki, Ikuo Kurimoto, Hiroyuki Uhara 1993-11-23
5231284 Method and apparatus using laser light for detecting the rotational position of a servomotor and the like Takao Mizutani 1993-07-27
5206431 Process for producing methacrylic acid Hideto Hashiba, Shigeru Ohno, Ikuo Kurimoto 1993-04-27
5198581 Process for producing unsaturated aldehydes and unsaturated acids Tatsuya Kawajiri, Hideyuki Hironaka, Shinichi Uchida 1993-03-30
5153162 Catalyst for the production of methacrylic acid Ikuo Kurimoto, Hideto Hashiba, Hideo Onodera 1992-10-06
5075585 Rotary machine Hidetoshi Teruyama 1991-12-24
5046052 Internal low voltage transformation circuit of static random access memory Fumio Miyaji 1991-09-03