NH

Naohiro Hayakawa

MA Makita: 51 patents #7 of 770Top 1%
JI Japan Atomic Energy Research Institute: 3 patents #48 of 609Top 8%
MR Matsumura Oil Research: 3 patents #2 of 24Top 9%
Overall (All Time): #46,307 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 26–50 of 55 patents

Patent #TitleCo-InventorsDate
D494435 Rechargeable impact driver Manabu Sugimoto 2004-08-17
D492566 Portable electric driver Takuji Kimura 2004-07-06
D486049 Portable electric drill Shin Sugiura 2004-02-03
D478103 Miter saw Toshiyuki Kani 2003-08-05
D476870 Portable electric drill Shinya Shimizu 2003-07-08
D473771 Portable electric saw Yasuhiro Kakiuchi 2003-04-29
D468179 Portable electric grinder Fumitoshi Numata 2003-01-07
D449899 Flashlight Shinobu Yamaguchi, Shinya Shimizu 2001-10-30
D444363 Portable electric drill Shinya Shimizu 2001-07-03
D437761 Rechargeable impact wrench Michio Okumura 2001-02-20
D436917 Battery pack Yoichi Kato, Takao Kuroyanagi, Shingo Umemura 2001-01-30
D436511 Portable electric drill Takao Kuroyanagi 2001-01-23
D431697 Portable electric blower Hidenori Ito 2000-10-03
D430175 Planer Masahiko Inai 2000-08-29
D428786 Portable electric saw Shinsuke Mori 2000-08-01
D427874 Circular saw Hideki Abe 2000-07-11
D426125 Portable electric driver Yukihiko Yamada 2000-06-06
D413779 Portable electric planer Hirokazu Hagiwara 1999-09-14
D409468 Portable electric hammer Masaaki Uchida 1999-05-11
D403220 Portable electric drill Akinori Kimata 1998-12-29
D388442 Miter saw Yoshinori Shibata 1997-12-30
D386662 Portable electric screwdriver Katsumi Tozawa, Norifumi Niwa, Hiroshi Fujimoto 1997-11-25
D384262 Portable electric screwdriver Shingo Umemura 1997-09-30
D384261 Portable electric screwdriver Shingo Umemura 1997-09-30
D375570 Flashlight Akinori Kimata 1996-11-12