Membership
Tour
Register
Log in
Hiroyuki Yamashita
Follow
Person
Sagamihara-shi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Liquid discharge apparatus, dyeing apparatus, embroidery machine, a...
Patent number
11,913,152
Issue date
Feb 27, 2024
Ricoh Company, Ltd.
Hiroyuki Yamashita
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Embroidery device
Patent number
11,879,196
Issue date
Jan 23, 2024
Ricoh Company, Ltd.
Hiroyuki Yamashita
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Liquid discharge device and image forming apparatus
Patent number
11,858,271
Issue date
Jan 2, 2024
Ricoh Company, Ltd.
Hiroyuki Yamashita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge device, and liquid discharge apparatus and dyeing...
Patent number
10,974,511
Issue date
Apr 13, 2021
Ricoh Company, Ltd.
Shinya Tanaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge apparatus and liquid discharge method
Patent number
10,723,158
Issue date
Jul 28, 2020
Ricoh Company, Ltd.
Naohiro Toda
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Dryer, liquid discharge apparatus, drying method, and inkjet record...
Patent number
10,576,757
Issue date
Mar 3, 2020
Ricoh Company, Ltd.
Takuma Nakamura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Fault diagnosis system, fault diagnosis device, fault diagnosis met...
Patent number
9,496,823
Issue date
Nov 15, 2016
System JD Co., Ltd.
Toshiyuki Shigemura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Image forming apparatus
Patent number
9,102,138
Issue date
Aug 11, 2015
Ricoh Company, Ltd.
Ryota Suzuki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Aqueous ink composition and image forming apparatus
Patent number
9,010,915
Issue date
Apr 21, 2015
Ricoh Company, Ltd.
Yuuma Usui
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming device, and image forming method
Patent number
8,870,350
Issue date
Oct 28, 2014
Ricoh Company, Ltd.
Ryota Suzuki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink cartridge and image forming apparatus employing the ink cartridge
Patent number
8,272,723
Issue date
Sep 25, 2012
Ricoh Company, Ltd.
Shotaro Takeuchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Refillable ink cartridge and protection member therefor
Patent number
8,147,046
Issue date
Apr 3, 2012
Ricoh Company, Ltd.
Hiroyuki Yamashita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Anilide derivatives and antiarrhythmic agents containing the same
Patent number
6,300,368
Issue date
Oct 9, 2001
Mitsui Chemicals, Inc.
Hiroyuki Yamashita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Amidine derivatives and platelet aggregation inhibitor containing t...
Patent number
5,719,145
Issue date
Feb 17, 1998
Mitsui Toatsu Chemicals, Inc.
Hiroyuki Yamashita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bicyclic compound and platelet aggregation inhibitor containing the...
Patent number
5,629,321
Issue date
May 13, 1997
Mitsui Toatsu Chemicals, Inc.
Kunio Okumura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Quinoline-4-carbonylguanidine derivatives, process for producing th...
Patent number
5,627,193
Issue date
May 6, 1997
Mitsui Toatsu Chemicals, Inc.
Junya Fujiwara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sulfur-containing acid phosphoric ester internal release agent
Patent number
5,389,708
Issue date
Feb 14, 1995
Mitsui Toatsu Chemicals, Inc.
Masahiko Kusumoto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for extracting an amino acid ester from a hydrous solution o...
Patent number
5,374,765
Issue date
Dec 20, 1994
Mitsui Toatsu Chemicals, Incorporated
Tomoko Kamashita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stabilizing method of isocyanate compounds and isocyanate compositi...
Patent number
5,302,749
Issue date
Apr 12, 1994
Mitsui Toatsu Chemicals, Incorporated
Teruyuki Nagata
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optical urethane resins and plastic lenses comprising the same
Patent number
5,194,559
Issue date
Mar 16, 1993
Mitsui Toatsu Chemicals, Inc.
Koju Okazaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
2-alkoxycarbonyl-4-(4-pyridyl)cyclohexanones and process for prepar...
Patent number
5,047,545
Issue date
Sep 10, 1991
Mitsui Toatsu Chemicals, Inc.
Nobuyuki Fukazawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrazolone derivatives for treating cerebrovascular diseases
Patent number
4,990,529
Issue date
Feb 5, 1991
Mitsui Toatsu Chemicals
Hiroyuki Yamashita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 1-acyl-2-pyrazoline derivative
Patent number
4,895,947
Issue date
Jan 23, 1990
Mitsui Toatsu Chemicals, Inc.
Hiroyuki Yamashita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrazoline derivatives for treating cerebrovascular diseases
Patent number
4,839,376
Issue date
Jun 13, 1989
Mitsui Toatsu Chemicals, Inc.
Hiroyuki Yamashita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 4-acetyl isoquinolinone compounds
Patent number
4,814,458
Issue date
Mar 21, 1989
Mitsui Toatsu Chemicals, Inc.
Nobuyuki Fukazawa
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
LIQUID DISCHARGE APPARATUS
Publication number
20240165955
Publication date
May 23, 2024
Teppei KIKUCHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE APPARATUS
Publication number
20230241892
Publication date
Aug 3, 2023
Jun ICHINOWATARI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE DEVICE AND IMAGE FORMING APPARATUS
Publication number
20220258476
Publication date
Aug 18, 2022
Hiroyuki Yamashita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
EMBROIDERY DEVICE
Publication number
20220098776
Publication date
Mar 31, 2022
Ricoh Company, Ltd.
Hiroyuki YAMASHITA
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Application
LIQUID DISCHARGE APPARATUS, DYEING APPARATUS, EMBROIDERY MACHINE, A...
Publication number
20220074098
Publication date
Mar 10, 2022
Hiroyuki YAMASHITA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARGE APPARATUS AND DYEING...
Publication number
20200207087
Publication date
Jul 2, 2020
Shinya TANAKA
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Application
LIQUID DISCHARGE APPARATUS AND LIQUID DISCHARGE METHOD
Publication number
20190299692
Publication date
Oct 3, 2019
Naohiro TODA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DRYER, LIQUID DISCHARGE APPARATUS, DRYING METHOD, AND INKJET RECORD...
Publication number
20190283459
Publication date
Sep 19, 2019
RICOH COMPANY, LTD.
Takuma Nakamura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140240422
Publication date
Aug 28, 2014
Ryota Suzuki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
FAULT DIAGNOSIS SYSTEM, FAULT DIAGNOSIS DEVICE, FAULT DIAGNOSIS MET...
Publication number
20140117999
Publication date
May 1, 2014
SYSTEM JD CO., LTD.
Toshiyuki Shigemura
G01 - MEASURING TESTING
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20140071196
Publication date
Mar 13, 2014
Richo Company, Ltd.
Takeshi Hihara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING DEVICE, AND IMAGE FORMING METHOD
Publication number
20130093810
Publication date
Apr 18, 2013
Ryota Suzuki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
AQUEOUS INK COMPOSITION AND IMAGE FORMING APPARATUS
Publication number
20130050363
Publication date
Feb 28, 2013
Yuuma Usui
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INK CARTRIDGE AND IMAGE FORMING APPARATUS EMPLOYING THE INK CARTRIDGE
Publication number
20100171799
Publication date
Jul 8, 2010
RICOH COMPANY, LTD.
Shotaro Takeuchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
REFILLABLE INK CARTRIDGE AND PROTECTION MEMBER THEREOF
Publication number
20090262171
Publication date
Oct 22, 2009
Hiroyuki Yamashita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS