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Assignee profile:

KOKEN LTD

City:

Tokyo

Country:

Japan

Published Applications:

Last publication date:

2026-02-12

Patent Grants:

Last grant date:

2020-05-05

Top Inventors for applications by KOKEN LTD

These are the the leading inventors for applications assigned to KOKEN LTD:

Taketo Suzuki 7 Tokyo, Japan
Takahiro Sato 6 Tokyo, Japan
Yuki Fujishiro 6 Tokyo, Japan
Tomoyuki Kakinuma 6 Tokyo, Japan

Kozo Nitta 5 Tokyo, Japan
Kazuma Fukiura 5 Tokyo, Japan
Kazushi Kimura 3 Tokyo, Japan
Hironobu Takeuchi 3 Tokyo, Japan

Shinnosuke Shibata 2 Tokyo, Japan
Shoko Matsuda 2 Tokyo, Japan
Yuji KUBOTA 2 Tokyo, Japan
Tomoyuki Naito 2 Higashimurayama, Japan

Kozo Nitta 2 Yokohama, Japan
Takeshi Honda 2 Tokyo, Japan
Takako Nakatou 2 Tokorozawa, Japan
Shinji Noguchi 2 Sagamihara, Japan

Kazushi Kimura 2 Iruma, Japan
Takahiro Terajima 2 Higashimurayama, Japan
Shingo Ishikawa 2 Tokyo, Japan
Takako Nakatou 1 Tokorozawa-shi, Japan

Takahiro Terajima 1 Tokyo, Japan
Haruka SUGITA 1 Tokyo, Japan
Ryohei Furuichi 1 Tokyo, Japan
Daishi SATO 1 Tokyo, Japan

Kohsuke Nozaki 1 Tokyo, Japan
Yasuhiko Fukasawa 1 Tokyo, Japan
Seiji TAGUCHI 1 Tokyo, Japan
Yoshinobu Oyama 1 Tokyo, Japan

Yu Ishikawa 1 Chiyoda-ku, Japan
Yoshimitsu Mashiko 1 Tokyo, Japan
Yoshimitsu Mashiko 1 Chiyoda-ku, Japan
Tomoyuki Naito 1 Tokyo, Japan

Kazushi Kimura 1 Iruma-shi, Japan
Satoshi Kuriyama 1 Tokyo, Japan
Shinji Noguchi 1 Sagamihara-shi, Japan
Yu Ishikawa 1 Tokyo, Japan

Masao Suzuki 1 Tokyo, Japan
Ryo KANNO 1 Tokyo, Japan
Hisashi Yuasa 1 Tokyo, Japan
Gaku Sasaki 1 Tokyo, Japan

Masashi Tomooka 1 Tokyo, Japan
Hiroshi Imai 1 Tokyo, Japan
Satoshi Kuriyama 1 Kita-ku, Japan
Ryohei Furuichi 1 Chiyoda-ku, Japan

Kozo Nitta 1 Yokohama-shi, Japan

Recent patent applications by KOKEN LTD

KOKEN LTD based in Tokyo, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2026-02-12

US20260041177A1

Human necessities

Mask

#2 | 2023-10-26

US20230337763A1

Human necessities

MASK

#3 | 2019-05-09 ✅ Patent 10,638,802 granted on 2020-05-05

US20190133219A1

Human necessities

Mask provided with latch

#4 | 2017-07-13 ✅ Patent 10,295,207 granted on 2019-05-21

US20170198929A1

Mechanical engineering

Air blowing device

#5 | 2016-01-07 ✅ Patent 9,592,410 granted on 2017-03-14

US20160001109A1

Human necessities

Voice transmitter

#6 | 2015-10-29 ✅ Patent 10,478,874 granted on 2019-11-19

US20150306641A1

Performing operations; transporting

Local air cleaner

#7 | 2015-08-06

US20150216250A1

Human necessities

PROTECTIVE GARMENT

#8 | 2015-05-14 ✅ Patent 9,410,710 granted on 2016-08-09

US20150128541A1

Mechanical engineering

Purified air discharge device

#9 | 2015-04-23 ✅ Patent 10,010,728 granted on 2018-07-03

US20150107596A1

Human necessities

Respiratory protection device

#10 | 2015-03-05 ✅ Patent 10,197,302 granted on 2019-02-05

US20150059298A1

Mechanical engineering

Local air cleaning apparatus

#11 | 2015-02-05 ✅ Patent 9,901,758 granted on 2018-02-27

US20150034080A1

Human necessities

Respiratory protection device

#12 | 2014-12-18 ✅ Patent 10,161,645 granted on 2018-12-25

US20140366498A1

Mechanical engineering

Local air cleaning apparatus

#13 | 2013-12-12 ✅ Patent 9,333,378 granted on 2016-05-10

US20130327335A1

Human necessities

Air cleaning apparatus and method for predicting breakthrough time for the same

#14 | 2013-04-18 ✅ Patent 9,644,855 granted on 2017-05-09

US20130095743A1

Mechanical engineering

Air blowing devices aligned in width direction

#15 | 2013-02-28 ✅ Patent 9,050,478 granted on 2015-06-09

US20130047991A1

Human necessities

Supply valve for air respirator

#16 | 2012-12-20 ✅ Patent 9,791,161 granted on 2017-10-17

US20120322356A1

Mechanical engineering

Local clean zone forming apparatus

#17 | 2011-06-30 ✅ Patent 10,815,587 granted on 2020-10-27

US20110159765A1

Textiles; paper

Sheet of microfiber assembly

#18 | 2010-05-20 ✅ Patent 8,349,346 granted on 2013-01-08

US20100124562A1

Human necessities

Antimicrobial composition, process for preparing the same, and utilization thereof

#19 | 2010-04-08 ✅ Patent 8,225,792 granted on 2012-07-24

US20100083967A1

Human necessities

Mask device with blower

#20 | 2009-06-18

US20090156112A1

Human necessities

TOXIC GAS EXPOSURE PREVENTING SYSTEM FOR ANATOMIC PRACTICE ROOM

#21 | 2008-04-29 ✅ Patent 7,364,710 granted on 2008-04-29

US10397166

System for decomposing organic compound

#22 | 2007-11-08

US20070259322A1

Human necessities

Breathing simulator for evaluation test of respirator

#23 | 2007-03-27 ✅ Patent 7,195,015 granted on 2007-03-27

US10482272

Breathing apparatus

#24 | 2006-08-17 ✅ Patent 7,722,830 granted on 2010-05-25

US20060182671A1

Human necessities

System for decomposing organic compound

#25 | 2005-08-16 ✅ Patent 6,928,686 granted on 2005-08-16

US10095965

Washing apparatus for endoscope

Also check out KOKEN LTD.'s (Tokyo, Japan) applicant profile with 4 patent applications submitted.

AssigneeID:

10939 ⎘