AN

Akihiko Nakajima

DC Dai-Ichi Kogyo Seiyaku Co.: 6 patents #23 of 288Top 8%
MI Mitsui Toatsu Chemicals, Incorporated: 5 patents #267 of 1,543Top 20%
KA Kaneka: 4 patents #309 of 1,525Top 25%
MC Mitsui Chemicals: 2 patents #873 of 2,279Top 40%
KC Kanegafuchi Chemical Industry Co.: 2 patents #49 of 179Top 30%
TO Toto: 1 patents #620 of 1,113Top 60%
KK Kanegafuchi Kagaku Kogyo: 1 patents #368 of 691Top 55%
KI Koito Industries: 1 patents #3 of 28Top 15%
📍 Takaishi, JP: #4 of 158 inventorsTop 3%
Overall (All Time): #207,123 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
10920482 Glass building material Kazuhiko Umeda, Nobusato Kobayashi, Seiichi Kinoshita, Naoki Kadota, Hideki Matsuo +2 more 2021-02-16
6632993 Photovoltaic module Katsuhiko Hayashi, Yuko Tawada, Tomomi Meguro 2003-10-14
6388301 Silicon-based thin-film photoelectric device Yuko Tawada, Masashi Yoshimi 2002-05-14
6297443 Thin film photoelectric transducer Masashi Yoshimi, Takayuki Suzuki, Kenji Yamamoto 2001-10-02
6060564 Acrylonitrile (co)polymerization while regulating temperature of vapor phase Mutsuko Uchida, Mune Iwamoto, Masato Takaku, Hisato Morita, Koji Kawano 2000-05-09
5901383 Support structure for a toilet cover unit Yasuhiro Yanagawa, Tetsuo Nishimoto, Hiroshi Matsuo, Akio Fujii, Takao Sakama 1999-05-11
5891962 Transparent, rubber-modified styrene resin and production process thereof Shiro Otsuzuki, Mune Iwamoto, Masato Takaku, Hisao Morita, Koji Kawano 1999-04-06
5552494 Quality control method for ABS-based resin and molding of the ABS-based resin Mune Iwamoto, Masato Takaku, Hisao Morita, Toshihiko Ando, Tomofumi Shirafuji +1 more 1996-09-03
5506304 Process for continuously preparing rubber modified styrene resins Shiro Otsuzuki, Mune Iwamoto, Masato Takaku, Hisao Morita, Takao Kobayashi +1 more 1996-04-09
5473014 Rubber modified styrenic resin composition having high gloss and impact strength Toshihiko Ando, Mune Iwamoto, Masahiro Kaneko, Kouzou Ichikawa, Masato Takaku 1995-12-05
5382787 Photoconductive material Jun Takada, Yoshihisa Tawada 1995-01-17
5311340 Liquid crystal display device having compensator and thin film with maximum refractive index parallel and perpendicular to compensator, respectively Makoto Murata, Eiichi Yoshida 1994-05-10
5250120 Photovoltaic device Jun Takada, Katsuhiko Hayashi, Keizo Asaoka, Yoshihisa Tawada 1993-10-05
5144022 Method of producing powdery high HLB sugar fatty acid ester Shusaku Matsumoto, Yoshio Hatakawa 1992-09-01
5017697 Process for purifying sucrose fatty acid esters having high HLB Shusaku Matsumoto, Yoshio Hatakawa 1991-05-21
5011922 Process for purifying sucrose fatty acid esters Shusaku Matsumoto, Yoshio Hatakawa 1991-04-30
5008387 Process for purifying sucrose fatty acid esters Shusaku Matsumoto, Yoshio Hatakawa 1991-04-16
4996309 Process for preparing sucrose fatty acid ester powder Shusaku Matsumoto, Yoshio Hatakawa 1991-02-26
4995911 Process for recovering unreacted sucrose from reaction mixture in synthesis of sucrose fatty acid esters Shusaku Matsumoto, Yoshio Hatakawa 1991-02-26
4742131 Method of controlling polymerization temperature Tadashi Asanuma, Mitsuru Ito, Kaneo Ito, Yoshiyuki Funakoshi 1988-05-03
4729772 Separation method of polymer powder and carrier gas Tadashi Asanuma, Yoshiyuki Funakoshi, Kaneo Ito 1988-03-08