TK

Takafumi Kawasaki

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
DA Daicel: 2 patents #168 of 523Top 35%
NC Nippon Paper Industries Co.: 2 patents #176 of 535Top 35%
SI Sumitomo Rubber Industries: 1 patents #1,096 of 1,637Top 70%
Canon: 1 patents #14,899 of 19,416Top 80%
Overall (All Time): #263,008 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12240961 Cellulose acetate resin composition Masaaki KUSUMOTO, Akihiro Higuchi 2025-03-04
11981796 Cellulose acetate resin composition Masaaki KUSUMOTO, Akihiro Higuchi 2024-05-14
11648189 Foamable aerosol composition Takeshi Nakatani, Noriko Motoyama 2023-05-16
10428188 Method for producing master batch, master batch obtained by said production method, rubber composition for tire, and pneumatic tire Sumiko MIYAZAKI, Takahiro Mabuchi, Takeshi Nakayama, Takeshi Fujii 2019-10-01
8256407 Multi-wire saw and method for cutting ingot Seiichi Mimura, Hirokazu Nishida 2012-09-04
8098365 Illumination optical system, exposure apparatus, and device manufacturing method 2012-01-17
8075647 Slurry for slicing silicon ingot and method for slicing silicon ingot using the same Seiichi Mimura, Hirokazu Nishida, Yasuhiro Yoshida 2011-12-13
7591712 Method of producing silicon blocks and silicon wafers Hiroaki Morikawa, Shoichi Karakida 2009-09-22
7433506 Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, method of displaying biomagnetic field data, and an apparatus therefor Kazuhisa Machida, Hiroyuki Suzuki, Keiji Tsukada 2008-10-07
7306508 Multi-wire saw Hirozoh Tsuruta, Hirokazu Nishida, Seiichi Mimura, Masayuki Hamayasu, Hisashi Tominaga 2007-12-11
7194121 Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, method of displaying biomagnetic field data, and an apparatus therefor Kazuhisa Machida, Hiroyuki Suzuki, Keiji Tsukada 2007-03-20
6961605 Method for processing biomagnetic field data, magnetic field contour mapping, forming their waveforms and a biomagnetic instrument using the same Hiroyuki Suzuki, Keiji Tsukada, Kazuhisa Machida 2005-11-01
6711281 Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, and method of displaying biomagnetic field data, and apparatus therefor Kazuhisa Machida, Hiroyuki Suzuki, Keiji Tsukada 2004-03-23
6473518 Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, method of displaying biomagnetic field data, and apparatus therefor Kazuhisa Machida, Hiroyuki Suzuki, Keiji Tsukada 2002-10-29
6336043 Method for processing biomagnetic field data, magnetic field contour mapping, forming their waveforms and a biomagnetic instrument using the same Hiroyuki Suzuki, Keiji Tsukada, Kazuhisa Machida 2002-01-01
D441761 Computer generated icon for a display screen Kazuhisa Machida, Kiyotaka Izawa 2001-05-08
5444477 Video telephone system Hitoshi Yamadera, Takashi Matsubara, Hiroaki Takatsuki, Atsuo Yoshida, Yoji Shibata +3 more 1995-08-22