HK

Hiroyasu Kato

TI Toray Industries: 9 patents #241 of 3,690Top 7%
DE Denso: 6 patents #2,220 of 11,792Top 20%
RK Riso Kagaku: 5 patents #110 of 551Top 20%
TI Tokai Rubber Industries: 4 patents #98 of 557Top 20%
KK Katoh Kinzoku Kougyo Kabushiki Kaisha: 4 patents #1 of 2Top 50%
NS Nippon Soken: 2 patents #546 of 1,540Top 40%
TK Topy Kogyo Kabushiki Kaisha: 1 patents #71 of 189Top 40%
VJ Victor Company Of Japan: 1 patents #818 of 1,489Top 55%
AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Techno Engineering Co.: 1 patents #34 of 111Top 35%
IT Itoki: 1 patents #40 of 73Top 55%
HK Hayashibara Seibutsu Kagaku Kenkyujo: 1 patents #157 of 263Top 60%
SC Shachihata Industrial Co.: 1 patents #8 of 24Top 35%
Overall (All Time): #98,270 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
10946428 Spinning apparatus and spinning method Kenji Yoshii, Tatsuro Kakami, Keitaro Enami, Yuji Iwakura 2021-03-16
10592014 Display control system, method, and program Kazuhiro Kamiya, Seiichi Tanaka 2020-03-17
9707663 Polishing pad Kuniyasu Shiro, Masaharu Wada, Hajime Nishimura, Satoshi Yanagisawa, Yukihiro Matsuzaki 2017-07-18
8578603 Compressor and manufacturing method thereof Masaaki Okuda 2013-11-12
8096794 Compressor with oil separation and storage Shigeki Iwanami, Yasuhiro Oki, Yoichiro Kawamoto 2012-01-17
7835812 Apparatus for assisting decisions for improvement of environmental load Miyako Hotta, Norito Watanabe, Tomoyo Aoyagi 2010-11-16
7329063 Twist-type telescopic ball-point pen 2008-02-12
6942411 Telescopic ball-point pen 2005-09-13
6474889 Telescopic ball-point pen 2002-11-05
6454688 Charging roll whose outermost layer contains grafted carbon Hirofumi Okuda, Yuichiro Maruyama, Hiroki Sugiura 2002-09-24
6241879 Filtering machine and filter cloth therefor Manabu Terao, Yoshihiro Tomida 2001-06-05
6234769 Hybrid type compressor driven by engine and electric motor Takeshi Sakai, Masafumi Nakashima, Takeshi Wakisaka, Hiroshi Kishita, Mikio Matsuda +1 more 2001-05-22
6199479 Method and apparatus for stencil printing Takashi Isozaki, Kenji Suzuki, Sadanao Okuda 2001-03-13
6192793 Drum type printer having mechanism for adjusting transverse position of printed image Katsuro Motoe 2001-02-27
6186754 Compressor having thrust bearing mechanism Takeshi Sakai, Masafumi Nakashima, Kazuhide Uchida 2001-02-13
6183215 Electric motor driven compressor Takeshi Sakai, Kazuhide Uchida, Masafumi Nakashima 2001-02-06
6129532 CO.sub.2 compressor Masafumi Nakashima, Takeshi Sakai, Kazuhide Uchida 2000-10-10
6096395 Roll including foam body and method of producing the roll Saburo Hayashi, Sumio Oinuma, Takafumi Yamamoto, Kazutoshi Soumiya 2000-08-01
5964150 Couple of gear wheels for driving printing drum with means for mutual phase restoration Yasushi Kuratani 1999-10-12
5730050 Ink blocking member in rotary stencil printing machine and printing drum having the same 1998-03-24
5657691 Ink supply device for printing apparatus 1997-08-19
5626916 Cloth prepreg, process for producing the same and reinforcing fabric Hajime Kishi, Nobuyuki Odagiri, Tokuo Tazaki, Hideo Nagata, Takeshi Terashita +1 more 1997-05-06
5616405 Cloth prepreg, process for producing the same and reinforcing fabric Hajime Kishi, Nobuyuki Odagiri, Tokuo Tazaki, Hideo Nagata, Takeshi Terashita +1 more 1997-04-01
5604031 Electrically conductive roll whose base layer is formed of ion-conductive elastic material Takafumi Yamamoto, Sumio Oinuma, Kazutoshi Soumiya, Saburou Hayashi 1997-02-18
5588764 Lock for deflectable writing utensil 1996-12-31