HK

Hiroyuki Katayama

Sharp Kabushiki Kaisha: 110 patents #31 of 10,731Top 1%
ND Nitto Denko: 35 patents #37 of 2,479Top 2%
NS Nippon Steel: 5 patents #528 of 4,423Top 15%
YA Yazaki: 5 patents #867 of 3,427Top 30%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
JT Jtekt: 4 patents #427 of 1,969Top 25%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
SC Sekisui Chemical Co.: 3 patents #246 of 908Top 30%
DE Denso: 3 patents #3,857 of 11,792Top 35%
JC Japan Metals & Chemicals Co.: 2 patents #15 of 152Top 10%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
MI Mitsui Toatsu Chemicals, Incorporated: 2 patents #607 of 1,543Top 40%
AT Agency Of Industrial Science And Technology: 2 patents #293 of 1,778Top 20%
MS Mitsubishi Hitachi Power Systems: 1 patents #495 of 970Top 55%
SI Sumitomo Rubber Industries: 1 patents #1,096 of 1,637Top 70%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
EI Eisai: 1 patents #611 of 998Top 65%
Ford: 1 patents #9,341 of 17,473Top 55%
SO Sony: 1 patents #17,262 of 25,231Top 70%
EC Eisai R&D Management Co.: 1 patents #478 of 817Top 60%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
RI Riken: 1 patents #679 of 1,824Top 40%
SH Shap: 1 patents #2 of 6Top 35%
Overall (All Time): #4,128 of 4,157,543Top 1%
182
Patents All Time

Issued Patents All Time

Showing 51–75 of 182 patents

Patent #TitleCo-InventorsDate
7100237 Grommet 2006-09-05
7098355 Process for synthesis of organometallic compounds Hiroshi Hiraike, Takeharu Morita, Fumiyuki Ozawa 2006-08-29
7048501 Dust collecting filter, dust collecting device, and air intake device for gas turbine Yoshiyuki Doi, Toyosei Aota, Tatsuo Adachi, Satoshi Hara 2006-05-23
6947236 Magnetic signal recording method and magnetic recording-reproduction apparatus Masaki Hamamoto, Kunio Kojima, Junichi Sato, Kazuhisa Takayama, Kosuke Watanabe 2005-09-20
6939188 LED lamp configured to minimize image contrast Kazuhisa Murata, Masaaki Katoh 2005-09-06
6888018 ORGANOMETALLIC COMPOUND HAVING HIGH METATHESIS ACTIVITY AND METHOD FOR PREPARATION THEREOF, METHATHESIS REACTION CATALYST COMPRISING THE COMPOUND, METHOD OF POLYMERIZATION USING THE CATALYST, AND POLYMER PRODUCED BY THE METHOD OF POLYMERIZATION Takeharu Morita, Hiroshi Hiraike, Nobuhiro Goto, Masafumi Nakatani, Fumiyuki Ozawa 2005-05-03
6882617 Magnetic recording medium and method of recording 2005-04-19
6876603 Information write/read head including an optical slit having a light emitting section whose width is shorter than a light beam diffraction limit Hiroshi Fuji, Kunio Kojima, Kenji Ohta 2005-04-05
6819648 Optical sample and method of writing and reading information on the same Junji Tominaga, Nobufumi Atoda, Hiroshi Fuji, Kenji Ohta 2004-11-16
6816334 Information recording and reproducing device and tracking servo system therefor Kosuke Watanabe, Kunio Kojima 2004-11-09
6804822 Magnetic recording medium and magnetic recording apparatus using same Junichi Sato, Kosuke Watanabe, Kunio Kojima, Hiroshi Fuji, Kenji Ohta 2004-10-12
6741549 Optical recording medium and optical recording and reproduction apparatus Junji Tominaga, Jooho Kim, Nobufumi Atoda, Hiroshi Fuji 2004-05-25
6721237 Composite magnetic head device Kunio Kojima, Masaki Hamamoto, Junichi Satoh 2004-04-13
6687195 Magnetic recording head and magnetic recording device Shintaro Miyanishi, Kunio Kojima, Hiroshi Fuji 2004-02-03
6667146 Optical recording medium and reproducing method therefor Yasushi Ogimoto, Kenji Nakanishi, Hiroshi Fuji, Kunio Kojima 2003-12-23
6661745 Optical reproducing and recording method, recording medium, and optical device Junji Tominaga, Nobufumi Atoda, Hiroshi Fuji, Kenji Ohta 2003-12-09
6637070 Grommet Chikao Nishimoto 2003-10-28
6603619 Magnetic storage medium and heat assisted recording and reproduction method Kunio Kojima, Yasushi Ogimoto, Shinzo Sawamura 2003-08-05
6593014 Thermomagnetic recording medium, thermomagnetic recording and reproducing method, and thermomagnetic recording and reproducing device Yasushi Ogimoto, Kenji Nakanishi, Masaki Hamamoto, Kunio Kojima 2003-07-15
6586065 Capillary having coated inner wall Yasushi Ishihama 2003-07-01
6500530 Magnetic recording medium Shinzo Sawamura 2002-12-31
6483653 Magnetic recording medium and magnetic reproducing method Shinzo Sawamura 2002-11-19
6468643 Laminated product Takashi Kanbayashi, Takashi Iiyama, Tamio Kawasumi 2002-10-22
6400654 Magneto-optical recording and reproducing device capable of suppressing cross talk Shinzo Sawamura 2002-06-04
6389686 Process for fabricating a thin multi-layer circuit board Yasuhito Takahashi, Yasunaga Kurokawa, Kenji Iida, Masaru Sumi, Yuichiro Ohta +3 more 2002-05-21