Patents by Inventor Chao-Min Liu

Chao-Min Liu 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: 11928824
    Abstract: An approach is provided in which the approach receives an image that includes multiple image points and constructs a plane in the image based on a first subset of the plurality of image points. The approach identifies a second subset of the image points that belong to the plane and are not part of the first subset of image points, and removes the first subset of image points and the second subset of image points form the image points. The approach annotates the remaining subset of image points in the image.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: March 12, 2024
    Assignee: International Business Machines Corporation
    Inventors: Xue Ping Liu, Dan Zhang, Yuan Yuan Ding, Chao Xin, Fan Li, Hong Bing Zhang, Xu Min
  • Patent number: 11491628
    Abstract: An impact tool is provided, including a working portion and a handle. The working portion includes a housing which is made of rubber and a filler. The housing defines an inner space, and the filler is stuffed with the inner space. The filler is shear thickening non-Newtonian fluid. The handle is connected with the working potion.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: November 8, 2022
    Inventor: Chao-Min Liu
  • Publication number: 20200306944
    Abstract: An impact tool is provided, including a working portion and a handle. The working portion includes a housing which is made of rubber and a filler. The housing defines an inner space, and the filler is stuffed with the inner space. The filler is shear thickening non-Newtonian fluid. The handle is connected with the working potion.
    Type: Application
    Filed: October 24, 2019
    Publication date: October 1, 2020
    Inventor: Chao-Min Liu
  • Publication number: 20180333832
    Abstract: The pipe clamp pliers includes a first and a second clamping members. The first clamping member has a first and a second ends, and further has a first pivot portion between the first and the second ends. A first clamping portion is provided at the first end. The second clamping member has a third and a fourth ends, and further has a second pivot portion between the third and the fourth ends. A second clamping portion is provided at the third end. The second pivot portion is pivotally connected with the first pivot portion. The first and the second clamping portions are formed with a first and a second horizontal grooves. At least one of a corner of the first horizontal groove near the first pivot portion and a corner of the second horizontal groove near the second pivot portion is smaller than 90 degrees.
    Type: Application
    Filed: May 16, 2017
    Publication date: November 22, 2018
    Inventor: Chao-Min LIU
  • Patent number: 6257425
    Abstract: A combinative device for clothes and towel includes towel rack and clothes shelf; wherein the towel rack is formed by several rails mounted into a plurality of holes on two vertical supports and fixed with the corresponding plugs on the outwards of the support. A T-shaped flange is disposed on the upper side of the support with several aligned holes on the rear side of the support for securing onto the wall. The clothes shelf is composed of two rhombic bars formed by two pairs of L-shaped pieces with a slot on the lower end thereof for fitting onto the foregoing T-shaped flange of the support. Numerous cross rods are mounted between two rhombic bars for disposing a few plates thereon. According to the above-mentioned structure, the towel rack and clothes shelf can be assembled together in different ways or mounted respectively depending on the demand of the users.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: July 10, 2001
    Assignee: New Hung Kuan Enterprise Co., Ltd.
    Inventor: Chao-Min Liu
  • Patent number: 4672033
    Abstract: There is presented antibiotic compounds designated as Antibiotics X-14889 A, C and D of the formulas ##STR1## wherein (for X-14889A) R.sub.1 is methyl, R.sub.2 is methyl, R.sub.3 is hydrogen, R.sub.4 is methyl and R.sub.5 is hydrogen or (for X-14889C) R.sub.1 is hydrogen, R.sub.2 is methyl, R.sub.3 is hydrogen, R.sub.4 is methyl and R.sub.5 is CO.sub.2 H or ##STR2## and the pharmaceutically acceptable salts thereof. The compounds exhibit antimicrobial activity and one of the compounds X-14889C also exhibits activity against Treponema hyodysenteriae (in vitro), Plasmodium berghei and as food efficiency enhancers in ruminants.Also presented is a process to produce the above compounds and another known component Antibiotic X-14889B.
    Type: Grant
    Filed: May 23, 1985
    Date of Patent: June 9, 1987
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, John Westley
  • Patent number: 4601984
    Abstract: There are provided antibiotics X-14873 A, G and H of the formulas ##STR1## wherein for X-14873A, R.sub.1 is CO.sub.2 H and R.sub.2 is ##STR2## for X-14873G, R.sub.1 is hydrogen and R.sub.2 is ##STR3## and for X-14873H, R.sub.1 is hydrogen and R.sub.2 is ##STR4## The compounds exhibit antibiotic activity. Also disclosed is a process to produce the above compounds.
    Type: Grant
    Filed: June 30, 1983
    Date of Patent: July 22, 1986
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, Homer D. Tresner, John Westley
  • Patent number: 4591559
    Abstract: The present invention relates to a novel polyether ionophore antibiotic of the formula ##STR1## and its pharmaceutically acceptable salts. The compound of formula I and its salts exhibit activity as an antibacterial agent and as an anticoccidial agent.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: May 27, 1986
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, John Westley
  • Patent number: 4582853
    Abstract: The present invention relates to a novel polyether ionophore antibiotic of the formula ##STR1## and its pharmaceutically acceptable salts. The compound of formula I and its salts exhibit activity as an antibacterial agent and as an anticoccidial agent.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: April 15, 1986
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, John Westley
  • Patent number: 4537956
    Abstract: There is presented antibiotic compounds designated as Antibiotics X-14889 A, C and D of the formulas ##STR1## wherein (for X-14889A) R.sub.1 is methyl, R.sub.2 is methyl, R.sub.3 is hydrogen, R.sub.4 is methyl and R.sub.5 is hydrogen or (for X-14889C) R.sub.1 is hydrogen, R.sub.2 is methyl, R.sub.3 is hydrogen, R.sub.4 is methyl and R.sub.5 is CO.sub.2 H or ##STR2## and the pharmaceutically acceptable salts thereof. The compounds exhibit antimicrobial activity and one of the compounds X-14889C also exhibits activity against Treponema hyodysenteriae (in vitro), Plasmodium berghei and as food efficiency enhancers in ruminants.Also presented is a process to produce the above compounds and another known component Antibiotic X-14889B.
    Type: Grant
    Filed: November 23, 1983
    Date of Patent: August 27, 1985
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, John Westley
  • Patent number: 4510317
    Abstract: The present invention relates to a novel polyether ionophore antibiotic of the formula ##STR1## and its pharmaceutically acceptable salts . . . The compound of formula I and its salts exhibit activity as an antibacterial agent and as an anticoccidial agent.
    Type: Grant
    Filed: July 28, 1983
    Date of Patent: April 9, 1985
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, John Westley
  • Patent number: 4447533
    Abstract: There is presented an antibiotic compound of the formula ##STR1## and the pharmaceutically acceptable salts and esters thereof. The compound exhibits activity as an anti-swine dysentery agent and an antimicrobial agent.Also presented is a fermentation process to produce the compound of formula I.
    Type: Grant
    Filed: July 30, 1982
    Date of Patent: May 8, 1984
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, Homer D. Tresner, John Westley
  • Patent number: 4410712
    Abstract: There are provided antibiotics X-14873 A, G and H of the formulas ##STR1## wherein for X-14873A, R.sub.1 is CO.sub.2 H and R.sub.2 is ##STR2## for X-14873G, R.sub.1 is hydrogen and R.sub.2 is ##STR3## and for X-14873H, R.sub.1 is hydrogen and R.sub.2 is ##STR4## The compounds exhibit antibiotic activity. Also disclosed is a process to produce the above compounds.
    Type: Grant
    Filed: March 10, 1982
    Date of Patent: October 18, 1983
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-min Liu, Homer D. Tresner, John Westley
  • Patent number: 4368265
    Abstract: Antibiotic X-14868A having the following chemical structure ##STR1## and the pharmaceutically acceptable salts thereof is presented. Also presented is a fermentative method of producing the above antibiotic.Antibiotic X-14868A exhibits anticoccidiostatic activity.
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: January 11, 1983
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, Barbara Prosser, John Westley
  • Patent number: 4352934
    Abstract: There is presented an antibiotic compound of the formula ##STR1## and the pharmaceutically acceptable salts and esters thereof. The compound exhibits activity as an anti-swine dysentery agent and an antimicrobial agent.Also presented is a fermentation process to produce the compound of formula I.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: October 5, 1982
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, Homer D. Tresner, John Westley
  • Patent number: 4294925
    Abstract: Monensin urethane derivatives of the formula ##STR1## wherein R.sub.1 is hydrogen, wherein R.sub.4 is alkyl, aryl, alkylaryl, arylalkyl, haloaryl, nitroaryl, haloarylalkyl, alkoxyaryl, aryloxyaryl, arylcycloalkyl, acylaryl and cycloalkyl; R.sub.2 is methyl or ethyl and R.sub.3 is-CONHR.sub.4and their pharmaceutically acceptable salts.The compounds exhibit antimicrobial activity and activity as growth promotant agents in ruminants. Further activities for this series of compounds are anticoccidial activity, antihypertensive activity, antimalarial activity and as agents in the treatment of swine dysentery.Also disclosed are a fermentative process and a semisynthetic process for producing the urethane derivatives.
    Type: Grant
    Filed: November 10, 1980
    Date of Patent: October 13, 1981
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, John Westley
  • Patent number: 4283493
    Abstract: A compound of the formula ##STR1## and its pharmaceutically acceptable salts are disclosed. The compound exhibits antibacterial activity, antimalarial activity, has activity as a growth promotant for ruminants and as an agent in the treatment of swine dysentery. Also provided is a process to produce the novel compound.
    Type: Grant
    Filed: March 10, 1980
    Date of Patent: August 11, 1981
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, John Westley
  • Patent number: 4278663
    Abstract: Antibiotic X-14868A having the following chemical structure ##STR1## and the pharmaceutically acceptable salts thereof is presented. Also presented is a fermentative method of producing the above antibiotic.Antibiotic X-14868A exhibits anticoccidiostatic activity.
    Type: Grant
    Filed: January 30, 1980
    Date of Patent: July 14, 1981
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, Barbara Prosser, John Westley
  • Patent number: 4263427
    Abstract: Monensin urethane derivatives of the formula ##STR1## wherein R.sub.1 is hydrogen, wherein R.sub.4 is alkyl, aryl, alkylaryl, arylalkyl, haloaryl, nitroaryl, haloarylalkyl, alkoxyaryl, aryloxyaryl, arylcycloalkyl, acylaryl and cycloalkyl; R.sub.2 is methyl or ethyl and R.sub.3 is --CONHR.sub.4 and their pharmaceutically acceptable salts.The compounds exhibit antimicrobial activity and activity as growth promotant agents in ruminants. Further activities for this series of compounds are anticoccidial activity, antihypertensive activity, antimalarial activity and as agents in the treatment of swine dysentery.Also disclosed are a fermentative process and a semisynthetic process for producing the urethane derivatives.
    Type: Grant
    Filed: September 20, 1979
    Date of Patent: April 21, 1981
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, John Westley
  • Patent number: 4221724
    Abstract: A compound of the formula ##STR1## and its pharmaceutically acceptable salts are disclosed. The compound exhibits antibacterial activity, antimalarial activity, has activity as a growth promotant for ruminants and as an agent in the treatment of swine dysentery. Also provided is a process to produce the novel compound.
    Type: Grant
    Filed: September 22, 1978
    Date of Patent: September 9, 1980
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Chao-Min Liu, John Westley