OK

Osamu Kawakami

DC Dainichiseika Color & Chemicals Mfg. Co.: 6 patents #43 of 376Top 15%
UC Ukima Chemicals & Color Mfg. Co.: 6 patents #5 of 6Top 85%
ZE Zeon: 5 patents #139 of 734Top 20%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
NC Nikku Industry Co.: 4 patents #1 of 5Top 20%
SC Sanyo Denki Co.: 3 patents #66 of 221Top 30%
FI Fujifilm Business Innovation: 2 patents #2,833 of 5,238Top 55%
SC Senju Metal Industry Co.: 2 patents #126 of 349Top 40%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
📍 Tokyo, TX: #27 of 78 inventorsTop 35%
Overall (All Time): #142,049 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
12281014 Fibrous carbon nanostructure and method of producing surface-modified fibrous carbon nanostructure 2025-04-22
11689984 System and method for applying routing protocol and selecting a network interface in a mesh network Shingo Sugimoto 2023-06-27
11661345 Fibrous carbon nanostructure, method of producing fibrous carbon nanostructure, and method of producing surface-modified fibrous carbon nanostructure 2023-05-30
11643328 Method of producing surface-treated carbon nanostructures 2023-05-09
11477718 Systems and methods for selecting a routing protocol Shingo Sugimoto 2022-10-18
11358866 Fibrous carbon nanostructure, method of evaluating fibrous carbon nanostructure, and method of producing surface-modified fibrous carbon nanostructure 2022-06-14
11325832 Fibrous carbon nanostructure 2022-05-10
10066048 Self-crosslinkable polyhydroxy polyurethane resin, resinaceous material that contains the resin, process for production of the resin, and imitation leather, surfacing material and weatherstrip material, using the resin Kazuyuki Hanada, Kazuya Kimura, Kenichi Takahashi, Manabu Uruno 2018-09-04
10000609 Self-crosslinking polysiloxane-modified polyhydroxy polyurethane resin, resin material containing same, method for producing same, artificial leather comprising same, and thermoplastic polyolefin skin material comprising same Kazuyuki Hanada, Kazuya Kimura, Kenichi Takahashi, Manabu Uruno 2018-06-19
9557208 Liquid level measuring apparatus, method, and program Hidehiko Kuroda, Naruhiko Mukai, Makoto Takemura, Yuka Takada, Fujio Shiraishi 2017-01-31
9394462 Polysiloxane-modified polyhydroxy polyurethane resin, method for producing same, heat-sensitive recording material using the resin, imitation leather, thermoplastic polyolefin resin skin material, material for weather strip, and weather strip Kazuyuki Hanada, Kazuya Kimura, Kenichi Takahashi, Manabu Uruno 2016-07-19
8975420 Five-membered cyclocarbonate polysiloxane compound and process for preparation of same Kazuyuki Hanada, Kazuya Kimura, Kenichi Takahashi, Manabu Uruno 2015-03-10
8951933 Polysiloxane-modified polyhydroxy polyurethane resin, method for producing same, heat-sensitive recording material using the resin, imitation leather, thermoplastic polyolefin resin skin material, material for weather strip, and weather strip Kazuyuki Hanada, Kazuya Kimura, Kenichi Takahashi, Manabu Uruno 2015-02-10
8703648 Polysiloxane-modified polyhydroxy polyurethane resin, method for producing same, heat-sensitive recording material using the resin, imitation leather, thermoplastic polyolefin resin skin material, material for weather strip, and weather strip Kazuyuki Hanada, Kazuya Kimura, Kenichi Takahashi, Manabu Uruno 2014-04-22
7117580 Method of manufacturing a watertight brushless fan motor Naruhiko Kudou, Hisashi Takizawa 2006-10-10
6798091 Watertight brushless fan motor Naruhiko Kudou, Hisashi Takizawa 2004-09-28
6430380 Wet type image forming apparatus and information processing system using this apparatus 2002-08-06
6386694 Image forming apparatus and its ink cartridge 2002-05-14
6359354 Watertight brushless fan motor Kesatsugu Watanabe, Nobuyuki Aoki 2002-03-19
5377425 Vacuum drying apparatus Kaichi Tsuruta 1995-01-03
5293697 Vacuum drying apparatus 1994-03-15
5187538 Laser doppler velocimeter Katsuharu Iwamoto 1993-02-16
5068527 Wide range fiber optical displacement sensor Katsuharu Iwamoto, Hideo Miyagawa 1991-11-26
4996418 Wide range fiber optical displacement sensor Katsuharu Iwamoto, Hideo Miyagawa 1991-02-26
4953368 Method of and apparatus for heat-treating bobbins of yarn Takuya Kawasaki 1990-09-04