Patents by Inventor Seiji Akamatsu

Seiji Akamatsu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11964034
    Abstract: A double-structured stick cosmetic includes a solid-form outer layer containing a first oil composition, and an inner core containing a second oil composition, in which the first oil composition contains (A) an alkyl-modified silicone having an alkyl group having 16 to 50 carbon atoms and (B) a wax in a solid-form at 25° C. other than (A). The component (A) may have a melting point of 25° C. or higher and 50° C. or lower. A mass ratio [(A)/(B)] of the component (A) to the component (B) contained in the first oil composition may be 0.2 or larger and 1.5 or smaller.
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: April 23, 2024
    Assignee: TOKIWA CORPORATION
    Inventors: Seiji Kawai, Yoshinori Akamatsu
  • Publication number: 20120322807
    Abstract: The present invention provides a STAT3/5 activation inhibitor containing an aromatic compound represented by the general formula or a salt thereof as an active ingredient: Wherein X1 represents a nitrogen atom or a group —CH?, R1 represents a group —Z—R6, in which Z represents a group —CO—, a group —CH(OH)— or the like, R6 represents a 5- to 15-membered monocyclic, dicyclic or tricyclic saturated or unsaturated heterocyclic group having 1 to 4 nitrogen atoms, oxygen atoms or sulfur atoms, R2 represents a hydrogen atom or a halogen atom, Y represents a group —O—, a group —CO—, a group —CH(OH)— or a lower alkylene group, and A represents a group
    Type: Application
    Filed: June 18, 2012
    Publication date: December 20, 2012
    Inventors: Kazuo Sekiguchi, Takashi Suzuki, Yutaka Ohbuchi, Mitsuhiro Okuno, Naoto Ohi, Kenji Ohnishi, Masaaki Motoyama, Kenji Yoshida, Takeshi Kodama, Kazuhisa Sugiyama, Seiji Akamatsu, Kunihiko Kiyono, Yasuo Yanagihara, Takashi Watanabe, Kazuhiko Hayashi, Hideo Tanaka, Takumi Sumida
  • Publication number: 20120238750
    Abstract: The compound of the present invention is represented by the following general formula (1): [wherein X1 represents a nitrogen atom or a group —CH?; R1 represents a group —Z—R6, wherein Z represents a group —CO—, a group —CH(OH)—, or the like, and R6 represents a 5- to 15-membered monocyclic, dicyclic, or tricyclic, saturated or unsaturated heterocyclic group having 1 to 4 nitrogen atoms, oxygen atoms, or sulfur atoms; R2 represents a hydrogen atom, a halogen atom or a lower alkylene group; Y represents a group —O—, a group —CO—, a group —CH(OH)—, a lower alkylene group, or the like; and A represents a group or the like, wherein R3 represents a hydrogen atom, a lower alkoxy group, or the like, p represents 1 or 2, and R4 represents an imidazolyl lower alkyl group or the like.
    Type: Application
    Filed: February 29, 2012
    Publication date: September 20, 2012
    Inventors: Tae FUKUSHIMA, Shuji Matsumura, Noriaki Takemura, Hideaki Satou, Nobuaki Ito, Takuya Shitsuta, Hironori Tsutsui, Michinori Tanaka, Keizo Kan, Hitoshi Nagao, Kenji Watanabe, Kuninori Tai, Takashi Nakagawa, Hideki Takasu, Makoto Sakamoto, Keisuke Miyajima, Satoshi Yamada, Yutaka Kojima, Koichi Yasumura, Naoto Ohi, Mitsuhiro Okuno, Kazuhisa Sugiyama, Kunihiko Kiyono, Takashi Suzuki, Seiji Akamatsu, Takeshi Kodama, Yasuo Yanagihara, Takumi Sumida
  • Patent number: 8263599
    Abstract: An object of the present invention is to provide a STAT3/5 activation inhibitor. The present invention provides a STAT3/5 activation inhibitor containing an aromatic compound represented by the general formula or a salt thereof as an active ingredient: wherein X1 represents a nitrogen atom or a group —CH?, R1 represents a group —Z—R6, in which Z represents a group —CO—, a group —CH(OH)— or the like, R6 represents a 5- to 15-membered monocyclic, dicyclic or tricyclic saturated or unsaturated heterocyclic group having 1 to 4 nitrogen atoms, oxygen atoms or sulfur atoms, R2 represents a hydrogen atom or a halogen atom, Y represents a group —O—, a group —CO—, a group —CH(OH)— or a lower alkylene group, and A represents a group wherein R3 represents a hydrogen atom, a lower alkoxy group or the like, p represents 1 or 2, R4 represents an imidazolyl lower alkyl group or the like.
    Type: Grant
    Filed: October 2, 2007
    Date of Patent: September 11, 2012
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Kazuo Sekiguchi, Takashi Suzuki, Yutaka Ohbuchi, Mitsuhiro Okuno, Naoto Ohi, Kenji Ohnishi, Masaaki Motoyama, Kenji Yoshida, Takeshi Kodama, Kazuhisa Sugiyama, Seiji Akamatsu, Kunihiko Kiyono, Yasuo Yanagihara, Takashi Watanabe, Kazuhiko Hayashi, Hideo Tanaka, Takumi Sumida
  • Patent number: 8188277
    Abstract: The present invention provides a novel compound, which has an excellent effect of suppressing the generation of collagen and less side effects, with being excellent in terms of safety. The compound of the present invention is represented by the following general formula (1): [wherein X1 represents a nitrogen atom or a group —CH?; R1 represents a group —Z—R6, wherein Z represents a group —CO—, a group —CH(OH)—, or the like, and R6 represents a 5- to 15-membered monocyclic, dicyclic, or tricyclic, saturated or unsaturated heterocyclic group having 1 to 4 nitrogen atoms, oxygen atoms, or sulfur atoms; R2 represents a hydrogen atom, a halogen atom or a lower alkylene group; Y represents a group —O—, a group —CO—, a group —CH(OH)—, a lower alkylene group, or the like; and A represents a group or the like, wherein R3 represents a hydrogen atom, a lower alkoxy group, or the like, p represents 1 or 2, and R4 represents an imidazolyl lower alkyl group or the like.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: May 29, 2012
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Tae Fukushima, Shuji Matsumura, Noriaki Takemura, Hideaki Satou, Nobuaki Ito, Takuya Shitsuta, Hironori Tsutsui, Michinori Tanaka, Keizo Kan, Hitoshi Nagao, Kenji Watanabe, Kuninori Tai, Takashi Nakagawa, Hideki Takasu, Makoto Sakamoto, Keisuke Miyajima, Satoshi Yamada, Yutaka Kojima, Koichi Yasumura, Naoto Ohi, Mitsuhiro Okuno, Kazuhisa Sugiyama, Kunihiko Kiyono, Takashi Suzuki, Seiji Akamatsu, Takeshi Kodama, Yasuo Yanagihara, Takumi Sumida
  • Publication number: 20100210661
    Abstract: An object of the present invention is to provide a STAT3/5 activation inhibitor. The present invention provides a STAT3/5 activation inhibitor containing an aromatic compound represented by the general formula or a salt thereof as an active ingredient: wherein X1 represents a nitrogen atom or a group —CH?, R1 represents a group —Z—R6, in which Z represents a group —CO—, a group —CH(OH)— or the like, R6 represents a 5- to 15-membered monocyclic, dicyclic or tricyclic saturated or unsaturated heterocyclic group having 1 to 4 nitrogen atoms, oxygen atoms or sulfur atoms, R2 represents a hydrogen atom or a halogen atom, Y represents a group —O—, a group —CO—, a group —CH(OH)— or a lower alkylene group, and A represents a group wherein R3 represents a hydrogen atom, a lower alkoxy group or the like, p represents 1 or 2, R4 represents an imidazolyl lower alkyl group or the like.
    Type: Application
    Filed: October 2, 2007
    Publication date: August 19, 2010
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Kazuo Sekiguchi, Takashi Suzuki, Yutaka Ohbuchi, Mitsuhiro Okuno, Naoto Ohi, Kenji Ohnishi, Masaaki Motoyama, Kenji Yoshida, Takeshi Kodama, Kazuhisa Sugiyama, Seiji Akamatsu, Kunihiko Kiyono, Yasuo Yanagihara, Takashi Watanabe, Kazuhiko Hayashi, Hideo Tanaka, Takumi Sumida
  • Publication number: 20070270422
    Abstract: The present invention provides a novel compound, which has an excellent effect of suppressing the generation of collagen and less side effects, with being excellent in terms of safety. The compound of the present invention is represented by the following general formula (1): [wherein X1 represents a nitrogen atom or a group —CH?; R1 represents a group -Z-R6, wherein Z represents a group —CO—, a group —CH(OH)—, or the like, and R6 represents a 5- to 15-membered monocyclic, dicyclic, or tricyclic, saturated or unsaturated heterocyclic group having 1 to 4 nitrogen atoms, oxygen atoms, or sulfur atoms; R2 represents a hydrogen atom, a halogen atom or a lower alkylene group; Y represents a group —O—, a group —CO—, a group —CH(OH)—, a lower alkylene group, or the like; and A represents a group or the like, wherein R3 represents a hydrogen atom, a lower alkoxy group, or the like, p represents 1 or 2, and R4 represents an imidazolyl lower alkyl group or the like.
    Type: Application
    Filed: August 3, 2005
    Publication date: November 22, 2007
    Inventors: Tae Fukushima, Shuji Matsumura, Noriaki Takemura, Hideaki Satou, Nobuaki Ito, Takuya Shitsuta, Hironori Tsutsui, Michinori Tanaka, Keizo Kan, Hitoshi Nagao, Kenji Watanabe, Kuninori Tai, Takashi Nakagawa, Hideki Takasu, Makoto Sakamoto, Keisuke Miyajima, Satoshi Yamada, Yutaka Kojima, Koichi Yasumura, Naoto Ohi, Mitsuhiro Okuno, Kazuhisa Sugiyama, Kunihiko Kiyono, Takashi Suzuki, Seiji Akamatsu, Takeshi Kodama, Yasuo Yanagihara, Takumi Sumida
  • Patent number: 5925640
    Abstract: An object of the invention is to provide an apoptosis regulating composition. According to the invention, an apoptosis regulating composition is provided which comprises, as an active ingredient, at least one carbostyril derivatives of general formula (1) and salts thereof.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: July 20, 1999
    Assignee: Otsuka Pharmaceutical Co. Ltd.
    Inventors: Satoru Nakai, Koutoku Aihara, Hitomi Mori, Michiaki Tominaga, Masakazu Adachi, Hiroyuki Ichikawa, Seiji Akamatsu, Fumio Saito
  • Patent number: 5916890
    Abstract: An object of the invention is to provide an apoptosis regulating composition. According to the invention, an apoptosis regulating composition is provided which comprises, as an active ingredient, at least one carbostyril derivatives of general formula (1) ##STR1## and salts thereof.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: June 29, 1999
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Satoru Nakai, Koutoku Aihara, Hitomi Mori, Michiaki Tominaga, Masakazu Adachi, Hiroyuki Ichikawa, Seiji Akamatsu, Fumio Saito
  • Patent number: 5872120
    Abstract: An object of the invention is to provide an apoptosis regulating composition. According to the invention, an apoptosis regulating composition is provided which comprises, as an active ingredient, at least one carbostyril derivatives of general formula (1) ##STR1## and salts thereof.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: February 16, 1999
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Satoru Nakai, Koutoku Aihara, Hitomi Mori, Michiaki Tominaga, Masakazu Adachi, Hiroyuki Ichikawa, Seiji Akamatsu, Fumio Saito
  • Patent number: 5798358
    Abstract: An object of the invention is to provide an apoptosis regulating composition. According to the invention, an apoptosis regulating composition is provided which comprises, as an active ingredient, at least one carbostyril derivatives of general formula (1) ##STR1## and salts thereof.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: August 25, 1998
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Satoru Nakai, Koutoku Aihara, Hitomi Mori, Michiaki Tominaga, Masakazu Adachi, Hiroyuki Ichikawa, Seiji Akamatsu, Fumio Saito
  • Patent number: 5750529
    Abstract: An object of the invention is to provide an apoptosis regulating composition. According to the invention, an apoptosis regulating composition is provided which comprises, as an active ingredient, at least one carbostyril derivatives of general formula (1) ##STR1## and salts thereof.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 12, 1998
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Satoru Nakai, Koutoku Aihara, Hitomi Mori, Michiaki Tominaga, Masakazu Adachi, Hiroyuki Ichikawa, Seiji Akamatsu, Fumio Saito
  • Patent number: 5723117
    Abstract: A drug for preventing and curing liver diseases comprising at least one member selected from interleukin-1 and its derivatives as an effective component. The drug meaningfully suppresses GOT and GPT activities in blood which are markers of liver diseases, and also suppresses symptoms such as choloplania.
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: March 3, 1998
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Satoru Nakai, Seiji Akamatsu, Yoshihiro Masui, Tsutomu Nishida, Takashi Kamogashira, Yoshikatu Hirai
  • Patent number: 5691341
    Abstract: Apoptosis regulating compositions each comprising a member selected from a series of carbostyril derivatives and salts thereof, inclusive of carbostyril derivatives of general formula (1) ##STR1## and salts thereof, as an active ingredient are provided. The apoptosis regulating compositions of the invention are of use as anticancer agents, antiretrovirus agents, therapeutic agents for autoimmune diseases, therapeutic agents for thrombocytopenia, therapeutic agents for Alzheimer's disease, therapeutic agents for diseases of the liver, and cancer metastasis inhibitors, among others.
    Type: Grant
    Filed: August 29, 1995
    Date of Patent: November 25, 1997
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Satoru Nakai, Koutoku Aihara, Hideo Tanaka, Hitomi Iba, Kazuyoshi Kawai, Hiroyuki Ichikawa, Seiji Akamatsu, Fumio Saito, Michiaki Tominaga, Masakazu Adachi
  • Patent number: 5672603
    Abstract: An object of the invention is to provide an apoptosis regulating composition. According to the invention, an apoptosis regulating composition is provided which comprises, as an active ingredient at least one carbostyril derivatives of general formula (1) ##STR1## and salts thereof.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: September 30, 1997
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Satoru Nakai, Koutoku Aihara, Hitomi Mori, Michiaki Tominaga, Masakazu Adachi, Hiroyuki Ichikawa, Seiji Akamatsu, Fumio Saito
  • Patent number: 5658912
    Abstract: An object of the invention is to provide an apoptosis regulating composition. According to the invention, an apoptosis regulating composition is provided which comprises, as an active ingredient, at least one carbostyril derivatives of general formula (1) ##STR1## and salts thereof.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 19, 1997
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Satoru Nakai, Koutoku Aihara, Hitomi Mori, Michiaki Tominaga, Masakazu Adachi, Hiroyuki Ichikawa, Seiji Akamatsu, Fumio Saito
  • Patent number: 5543412
    Abstract: An object of the invention is to provide hepatitis therapy. According to the invention, an apoptosis regulating composition is provided which comprises, as an active ingredient, at least one carbostyril derivatives of general formula (1) ##STR1## and salts thereof.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 6, 1996
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Satoru Nakai, Koutoku Aihara, Hitomi Mori, Michiaki Tominaga, Masakazu Adachi, Hiroyuki Ichikawa, Seiji Akamatsu, Fumio Saito
  • Patent number: 5464833
    Abstract: Apoptosis regulating compositions each comprising a member selected from a series of carbostyril derivatives and salts thereof, inclusive of carbostyril derivatives of general formula (1) ##STR1## and salts thereof, as an active ingredient are provided. The apoptosis regulating compositions of the invention are of use as anticancer agents, antiretrovirus agents, therapeutic agents for autoimmune diseases, therapeutic agents for thrombocytopenia, therapeutic agents for Alzheimer's disease, therapeutic agents for diseases of the liver, and cancer metastasis inhibitors, among others.
    Type: Grant
    Filed: April 19, 1994
    Date of Patent: November 7, 1995
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Satoru Nakai, Koutoku Aihara, Hideo Tanaka, Hitomi Iba, Kazuyoshi Kawai, Hiroyuki Ichikawa, Seiji Akamatsu, Fumio Saito, Michiaki Tominaga, Masakazu Adachi