CH

Chihiro Hayashi

SI Sumitomo Metal Industries: 29 patents #1 of 1,462Top 1%
NC Nippon Carbide Industries Co.: 5 patents #2 of 56Top 4%
NM Nippon Steel & Sumitomo Metal: 3 patents #369 of 1,491Top 25%
RE Resonac: 3 patents #53 of 474Top 15%
AC Aisin Aw Co.: 2 patents #784 of 2,011Top 40%
NK Nippon Carbide Kogyo: 2 patents #27 of 105Top 30%
SK Sumitomo Kinzoku Kogyo Kabushiki Kaisha: 2 patents #2 of 53Top 4%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
SC Sumitomo Special Metals Co.: 1 patents #136 of 262Top 55%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
SC Sumitomo Precision Products Co.: 1 patents #87 of 199Top 45%
KC Kojima Co.: 1 patents #3 of 13Top 25%
Overall (All Time): #55,682 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDate
12324105 Maleimide resin composition, prepreg, resin film, laminated board, printed wiring board, and semiconductor package Minoru Kakitani, Takao Tanigawa, Ryuji Akebi, Naoyoshi Sato, Akira Horie 2025-06-03
12168709 Thermosetting resin composition, prepreg, laminate, metal-clad laminate, printed wiring board, and high-speed communication compatible module Koji Morita, Ryo Shimokawa, Shinji Tsuchikawa, Keiichi Kasuga, Tomio Iwasaki 2024-12-17
12024624 Maleimide resin composition, prepreg, laminated board, resin film, printed wiring board, and semiconductor package Naoyoshi Sato, Shuji Gozu, Minoru Kakitani, Takao Tanigawa, Ryuji Akebi 2024-07-02
10330943 Image display device Takuma Houzyou 2019-06-25
10302954 Image display device Takuma Houzyou 2019-05-28
10232418 Method for producing seamless metal pipe 2019-03-19
9533442 Injection mold and method of producing molded resin article Makoto Yokota, Kazuhiko Tajiri, Yusuke Hiroi 2017-01-03
8728360 Apparatus and method for producing optical sheeting Ikuo Mimura, Akihiro Mathuda, Hiroshi Hamada, Naotake Osaki 2014-05-20
8663021 Torque fluctuation absorber Tomohiro Saeki, Atsushi Yamazumi, Yuki Miyamoto, Makoto Yokota, Takashi Murate 2014-03-04
8528378 Method for producing ultrathin-wall seamless metal tube by cold rolling method 2013-09-10
8511839 Retroreflective article Ikuo Mimura, Keiji Amemiya 2013-08-20
RE44308 Method for manufacturing seamless pipes or tubes 2013-06-25
8459806 Triangular pyramid type cube corner retroreflection article, and its manufacturing method Ikuo Mimura, Keiji Amemiya 2013-06-11
8388154 Cube-corner retroreflective article Ikuo Mimura, Keiji Amemiya 2013-03-05
8245553 Method of producing ultrathin-wall seamless metal tube using floating plug 2012-08-21
8141405 Method for producing ultra thin wall metallic tube with cold working process 2012-03-27
7992417 Method for producing ultra thin wall metallic tube by cold rolling method 2011-08-09
7980710 Retroreflective article Ikuo Mimura 2011-07-19
7895870 Method for producing ultra thin wall metallic tube with cold working process 2011-03-01
7788959 Method of producing ultra thin wall metallic tube by cold drawing process 2010-09-07
7293443 Method for manufacturing seamless pipes or tubes 2007-11-13
7146836 Piercing method for manufacturing of seamless pipe 2006-12-12
6067502 Device for displaying map Kihachi Hayashida, Takeshi Yanagikubo 2000-05-23
5944768 Navigation system Yasunobu Ito, Mitsuhiro Nimura, Kihachi Hayashida, Seiji Hayashi 1999-08-31
5794607 Process for producing heat sink having good heat dissipating characteristics Toshio Aihara, Masahito Tasaka 1998-08-18