Patents by Inventor Shinji Suda

Shinji Suda 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: 6051705
    Abstract: The present invention relates to a substituted thiazolo[3,2-a] azepine derivative having inhibitory activity against angiotensin I converting enzyme and neutral endpeptidase and is represented by the following general formula (I): ##STR1##
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: April 18, 2000
    Assignee: Eisai Co., Ltd.
    Inventors: Hitoshi Oinuma, Shinji Suda, Naoki Yoneda, Makoto Kotake, Masanori Mizuno, Tomohiro Matsushima, Yoshio Fukuda, Mamoru Saito, Toshiyuki Matsuoka, Hideyuki Adachi, Masayuki Namiki, Takeshi Sudo, Kazutoshi Miyake, Makoto Okita
  • Patent number: 5789403
    Abstract: The present invention relates to a substituted thiazolo?3,2-a!azepine derivative having inhibitory activity against angiotensin I converting enzyme and neutral endpeptidase.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: August 4, 1998
    Assignee: Eisai Co., Ltd.
    Inventors: Hitoshi Oinuma, Shinji Suda, Naoki Yoneda, Makoto Kotake, Masanori Mizuno, Tomohiro Matsushima, Yoshio Fukuda, Mamoru Saito, Toshiyuki Matsuoka, Hideyuki Adachi, Masayuki Namiki, Takeshi Sudo, Kazutoshi Miyake, Makoto Okita
  • Patent number: 5768625
    Abstract: A primary object is to provide a communication apparatus, in particular, its buffer memory which conforms mainly to specifications of SAE-J1850 or ISO-9141.
    Type: Grant
    Filed: June 27, 1995
    Date of Patent: June 16, 1998
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kikuo Muramatsu, Yasushi Okamoto, Akiya Arimoto, Shinji Suda, Etsuya Yokoyama, Takeshi Nita, Yuichiro Yamaguchi, Yoshikazu Satou, Norio Matsumoto
  • Patent number: 5679671
    Abstract: The present invention relates to an amino acid derivative having an angiotensin I-converting enzyme inhibition activity, a vasopressin antagonism and an atrial natriuretic peptide hydrolase inhibition activity.This amino acid derivative is represented by the following general formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom or an acyl group; R.sup.2 represents a hydrogen atom, a lower alkyl group, a cycloalkyl group, an ary group which may have a substituent, a heteroaryl group which may have a substituent, an arylalkyl group which may have a substituent or a heteroarylalkyl group which may have a substituent;m and n represent each independently an integer of 0, 1 or 2 andJ represents a cyclic group having an angiotensin I-converting enzyme inhibition activity.
    Type: Grant
    Filed: January 25, 1995
    Date of Patent: October 21, 1997
    Assignee: Eisai Co., Ltd.
    Inventors: Hitoshi Oinuma, Shinji Suda, Naoki Yoneda, Makoto Kotake, Kenji Hayashi, Kazutoshi Miyake, Nobuyuki Mori, Mamoru Saito, Toshiyuki Matsuoka, Masayuki Namiki, Takeshi Sudo, Shigeru Souda
  • Patent number: 5463738
    Abstract: An address detection circuit is formed in a pod so that the circuit generates a detection signal DET when an address signal specifying an address in the address area assigned to a newly-added circuit section is outputted from an evaluation MCU, and a disabling circuit 313 is formed in a port emulation circuit 31a so that the circuit 313 disables an input/output circuit 312 from being set to the input state by responding to the detection signal DET.
    Type: Grant
    Filed: June 23, 1992
    Date of Patent: October 31, 1995
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Tsugumi Matsuishi, Toshihiko Hori, Shinji Suda
  • Patent number: 5444083
    Abstract: A pyrrolidine compound having the following formula and a pharmacologically acceptable salt thereof is disclosed. It is useful in the pharmaceutical field. ##STR1## in which X is hydrogen, a halogen, or a lower alkyl, Y is --(CH2)n--, n being zero, 1 or 2, --S(O)p--, p being zero, 1 or 2, --O--, or --NH-- and R is phenyl, a substituent-having phenyl, naphtyl, a substituent-having naphthyl, a heteroaryl or a substituent-having heteroaryl.
    Type: Grant
    Filed: January 22, 1990
    Date of Patent: August 22, 1995
    Assignee: Eisai Co., Ltd.
    Inventors: Motosuke Yamanaka, Tomonori Hoshiko, Shinji Suda, Naoki Yoneda, Nobuyuki Mori, Mitsumasa Shino, Hiroki Ishihara, Mamoru Saito, Toshiyuki Matsuoka
  • Patent number: 5140177
    Abstract: A complementary circuit device which cancels a latch-up phenomenon to return to normal operation includes a complementary circuit, a latch-up detection circuit and a reset circuit. The complementary circuit, which is normally started from a prescribed logic state in response to an initial power application of power to the circuit, is susceptible to erroneous restart when the same is resupplied with power immediately after occurrence of a latch-up phenomenon. The latch-up detection circuit detects a latch-up phenomenon occurring in the complementary circuit. The reset circuit resets the complementary circuit to the prescribed logic state in response to an output from the latch-up detection circuit. The complementary circuit is reset again to the prescribed state in a manner similar to the case of initial application of power. The invention facilitates a normal return to operation of a complementary circuit upon cancellation of the latch-up phenomenon.
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: August 18, 1992
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shinji Suda, Hiroshi Kobayashi, Katsunobu Hongo, Hiroyuki Nakao
  • Patent number: 4931790
    Abstract: A digital remote control method in which interference among different devices is eliminated by the use of a custom code and an instruction code. In accordance with the invention, a transmission code is generated composed of an instruction code and a custom code, with the custom code and instruction code differing in the number of bits contained in each. The custom code is transmitted prior to the instruction code with an interval therebetween longer than the intervals between adjacent pulses, which intervals define data "0" and "1".
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: June 5, 1990
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Hiroshi Kobayashi, Shinji Suda
  • Patent number: 4914428
    Abstract: A digital remote control apparatus for transmitting digital instruction signals to a controllable apparatus includes a transmitter for transmitting a coded digital instruction signal composed of a sequence of synchronization pulses having a predetermined period and data pulses each inserted between successive synchronization pulses at predetermined positions therein dependent upon whether the data pulses represents a "0" bit or a "1" bit. The receiving apparatus distinguishes between "0" and "1" bits by detecting the length of an interval between the leading edge of a synchronization pulse and the leading edge of an adjacent data pulse and determines the existence of noise if more than one data pulse is detected between successive synchronzation pulses.
    Type: Grant
    Filed: May 28, 1987
    Date of Patent: April 3, 1990
    Assignee: Mitsubishi Denki Kaushiki
    Inventors: Hiroshi Kobayashi, Shinji Suda, Katsunobu Hongo, Daisuke Shichinohe, Masako Hiroma
  • Patent number: 4897637
    Abstract: A display controller including a first ROM, a second ROM, a RAM, and an output circuit. The first ROM stores fixed data to be displayed on a fixed data area of a display screen. The RAM stores variable data to be displayed on a variable data area of the display screen and receives controlling addresses from the first ROM. The second ROM, under control of data from a preselected one of the first ROM or the RAM, outputs the display pattern data to be displayed on the display device. The output circuit latches the display pattern data and sends it to the display device at a predetermined timing.
    Type: Grant
    Filed: April 2, 1987
    Date of Patent: January 30, 1990
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Hiroshi Kobayashi, Takeshi Shibasaki, Shinji Suda
  • Patent number: 4833467
    Abstract: In a digital data transmission system, a transmitting device converts the data to be transmitted into a series of bits, in the form of data pulses. Each data pulse is positioned between successive synchronous pulses having a fixed time period, and each bit is represented by the time length between a data pulse and a preceding synchronous pulse or a succeeding synchronous pulse. The transmitting device transmits the series of the data pulses and the synchronous pulses. A receiving device receives the series of the data pulses and the synchronous pulses and decodes the same to read the data.
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: May 23, 1989
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Hiroshi Kobayashi, Shinji Suda, Katsunobu Hongo
  • Patent number: 4814741
    Abstract: A digital remote control device for use in a transmitter capable of transmitting an end code following each transmission code, which includes a counting circuit for counting the number of transmission operations performed by pressing a key or keys on the transmitter; and an end pulse changing circuit for changing a configuration of the end code such that the configuration corresponds to a count value counted by the counting circuit.
    Type: Grant
    Filed: April 28, 1987
    Date of Patent: March 21, 1989
    Assignee: Mitsubishi Denki K.K.
    Inventors: Katsunobu Hongo, Shinji Suda, Hiroshi Kobayashi, Daisuke Shichinohe
  • Patent number: 4803276
    Abstract: Novel 1-(imidazo[1,2-a]pyridin-6-yl)-2-alkanone derivatives and (imidazo [1,2-a]pyridin-6-yl) acetaldehyde derivatives are provided. The novel derivatives are intermediates for the production of 5-(6-imidazo[1,2-a]pyridyl)pyridine derivatives which are useful as cardiotonics.
    Type: Grant
    Filed: October 9, 1987
    Date of Patent: February 7, 1989
    Assignee: Eisai Co., Ltd.
    Inventors: Motosuke Yamanaka, Kazutoshi Miyake, Shinji Suda, Hideto Ohhara, Toshiaki Ogawa
  • Patent number: 4791203
    Abstract: 5-(6-Imidazo[1,2-a]pyridyl)pyridine derivatives represented by general formula: ##STR1## wherein X represents hydrogen atom or methyl group; Y represents cyano group, carboxamido group, hydrogen atom, amino group or a halogen atom; Z represents hydrogen atom or a lower alkyl group; W represents hydrogen atom or a lower alkyl group; R.sup.1 represents hydrogen atom, a lower alkyl group, phenyl group, a group shown by formula: --CH.sub.2 R.sup.4 in which R.sup.4 is a lower alkoxy group, or a group shown by formula: ##STR2## in which R.sup.5 and R.sup.6 are hydrogen atom or a lower alkyl group;R.sup.2 represents hydrogen atom or a halogen atom; and R.sup.3 represents hydrogen atom, a lower alkyl group or a halogen atom; or a tautomer thereof; and pharmacologically acceptable salts thereof are disclosed. The 5-(6-imidazo[1,2-a]pyridyl) pyridine derivatives are effective for treating congestive heart failures.
    Type: Grant
    Filed: August 5, 1987
    Date of Patent: December 13, 1988
    Assignee: Eisai Co., Ltd.
    Inventors: Motosuki Yamanaka, Kazutoshi Miyake, Shinji Suda, Hideto Ohhara, Toshiaki Ogawa
  • Patent number: 4791202
    Abstract: 5-(6-Imidazo[1,2-a]pyridyl)pyridine derivatives represented by general formula: ##STR1## wherein X represents hydrogen atom or methyl group; Y represents cyano group, carboxamido group, hydrogen atom, amino group or a halogen atom; Z represents hydrogen atom or a lower alkyl group; W represents hydrogen atom or a lower alkyl group; R.sup.1 represents hydrogen atom, a lower alkyl group, phenyl group, a group shown by formula: --CH.sub.2 R.sup.4 in which R.sup.4 is a lower alkoxy group, or a group shown by formula: ##STR2## in which R.sup.5 and R.sup.6 are hydrogen atom or a lower alkyl group; R.sup.2 represents hydrogen atom or a halogen atom; and R.sup.3 represents hydrogen atom, a lower alkyl group or a halogen atom; or a tautomer thereof; and pharmacologically acceptable salts thereof are disclosed. The 5-(6-imidazo[1,2-a]pyridyl) pyridine derivatives are effective for treating congestive heart failures.
    Type: Grant
    Filed: August 5, 1987
    Date of Patent: December 13, 1988
    Assignee: Eisai Co., Ltd.
    Inventors: Motosuke Yamanaka, Kazutoshi Miyake, Shinji Suda, Hideto Ohhara, Toshiaki Ogawa
  • Patent number: 4751227
    Abstract: 5-(6-Imidazo[1,2-a]pyridyl)pyridine derivatives represented by general formula: ##STR1## wherein X represents hydrogen atom or methyl group; Y represents cyano group, carboxamido group, hydrogen atom, amino group or a halogen atom; Z represents hydrogen atom or a lower alkyl group; W represents hydrogen atom or a lower alkyl group; R.sup.1 represents hydrogen atom, a lower alkyl group, phenyl group, a group shown by formula: --CH.sub.2 R.sup.4 in which R.sup.4 is a lower alkoxy group, or a group shown by formula: ##STR2## in which R.sup.5 and R.sup.6 are hydrogen atom or a lower alkyl group R.sup.2 represents hydrogen atom or a halogen atom; and R.sup.3 represents hydrogen atom, a lower alkyl group or a halogen atom; or a tautomer thereof; and pharmacologically acceptable salts thereof are disclosed. The 5-(6-imidazo[1,2-a]pyridyl)pyridine derivatives are effective for treating congestive heart failures.
    Type: Grant
    Filed: March 26, 1986
    Date of Patent: June 14, 1988
    Assignee: Eisai Co., Ltd.
    Inventors: Motosuke Yamanaka, Kazutoshi Miyake, Shinji Suda, Hideto Ohhara, Toshiaki Ogawa