MY

Masao Yamamoto

Sumitomo Electric Industries: 20 patents #1,058 of 21,551Top 5%
SC Scalar: 19 patents #1 of 11Top 10%
Nsk: 12 patents #112 of 1,559Top 8%
Fujitsu Limited: 10 patents #3,161 of 24,456Top 15%
PA Panasonic: 8 patents #3,315 of 21,108Top 20%
JL Japan Aviation Electronics Industry, Limited: 6 patents #187 of 728Top 30%
Sharp Kabushiki Kaisha: 6 patents #2,623 of 10,731Top 25%
YC Yoshizuka Seiki Co.: 5 patents #2 of 9Top 25%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
NC Nippon Chemiphar Co.: 5 patents #28 of 155Top 20%
Nintendo Co.: 4 patents #436 of 1,476Top 30%
Rohm Co.: 3 patents #810 of 2,292Top 40%
TO Toshiba: 3 patents #380 of 2,688Top 15%
MC Mitsubishi Diamond Industrial Co.: 2 patents #14 of 58Top 25%
MK Mitsubishi Kasei: 2 patents #194 of 911Top 25%
NI Nissan Chemical Industries: 2 patents #451 of 1,150Top 40%
MC Mitsubishi Chemical: 2 patents #928 of 3,022Top 35%
KC Kyodo Yushi Co.: 2 patents #42 of 191Top 25%
SC Sanraku-Ocean Co.: 1 patents #21 of 40Top 55%
SI Sanraku Incorporated: 1 patents #19 of 48Top 40%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
OC Optoelectronics Co.: 1 patents #29 of 61Top 50%
OP Opticon: 1 patents #12 of 40Top 30%
Overall (All Time): #10,525 of 4,157,543Top 1%
117
Patents All Time

Issued Patents All Time

Showing 51–75 of 117 patents

Patent #TitleCo-InventorsDate
6683396 Portable motor powered device Yosuke Ishida, Tomio Yamada, Toru Murakita, Kazuto Toyama, Koichi Hashimoto +2 more 2004-01-27
D484966 Fan 2004-01-06
6661530 Print processing apparatus using computer system Hiroki Munetomo, Takayuki Kanou 2003-12-09
6551667 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same Hirofumi Kubota, Shinya Kosako, Kenji Nakao, Noriko Naito, Tsuyoshi Uemura 2003-04-22
6529252 Polymer dispersion type liquid crystal display element, producing method therefor and apparatus for use in the producing method Kenji Nakao, Shinya Kosako, Tsuyoshi Uemura, Hirofumi Kubota, Kazuo Inoue +1 more 2003-03-04
6500788 Lubricating grease composition Atushi Shibayama, Hiroshi Kimura, Youichiro Sugimori 2002-12-31
6486932 Light control element, optical device, and electrical device, and method of producing thereof Kenji Nakao, Seiji Nishiyama, Hirofumi Kubota, Tsuyoshi Uemura 2002-11-26
6452650 Polymer dispersion type liquid crystal display element, producing method therefor and apparatus for use in the producing method Kenji Nakao, Shinya Kosako, Tsuyoshi Uemura, Hirofumi Kubota, Kazuo Inoue +1 more 2002-09-17
6424387 Recording medium including liquid crystal layer Eiji Sato, Shiro Narikawa, Tomoko Nishino 2002-07-23
6400430 Light control element, optical device, and electrical device having lightweight, and method of producing thereof Kenji Nakao, Seiji Nishiyama, Hirofumi Kubota, Tsuyoshi Uemura 2002-06-04
6368680 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same Hirofumi Kubota, Shinya Kosako, Kenji Nakao, Noriko Naito, Tsuyoshi Uemura 2002-04-09
6365239 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same Hirofumi Kubota, Shinya Kosako, Kenji Nakao, Noriko Naito, Tsuyoshi Uemura 2002-04-02
6355314 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same Hirofumi Kubota, Shinya Kosako, Kenji Nakao, Noriko Naito, Tsuyoshi Uemura 2002-03-12
6355315 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same Hirofumi Kubota, Shinya Kosako, Kenji Nakao, Noriko Naito, Tsuyoshi Uemura 2002-03-12
6340244 Rolling bearing for hard disk drive Yasunobu Fujita, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe, Emiko Shiraishi +1 more 2002-01-22
6307253 Lead frame and semiconductor device made by using it Hiroshi Imai 2001-10-23
6269225 Information recording device Eiji Sato, Shiro Narikawa, Tomoko Nishino 2001-07-31
RE37219 Method of fabricating a polymer dispersed liquid crystal panel with measuring thickness, adjusting then hardening Hiroshi Takahara 2001-06-12
6235690 Urea thickened carbonate ester grease composition Atushi Shibayama, Hiroshi Kimura, Youichiro Sugimori 2001-05-22
6221443 Macromolecular dispersion type liquid crystal display element and method of manufacturing the same Hirofumi Kubota, Shinya Kosako, Kenji Nakao, Noriko Naito, Tsuyoshi Uemura 2001-04-24
6215535 Light-modulation element and production method thereof Junji Nakajima, Hideaki Mochizuki, Hirofumi Wakemoto 2001-04-10
6111115 Preparation of 2-(10,11-dihydro-10-oxodibenzo-[b,f]thiepin-2-yl) propionic acid Kunio Kobayashi, Katsumasa Harada, Shigeyoshi Nishino, Hiroshi Sasaki 2000-08-29
6088075 Liquid crystal display device, method for producing the same, and projection-type display apparatus including the liquid crystal display device Kenji Nakao, Tsuyoshi Uemura 2000-07-11
6063024 Observation apparatus 2000-05-16
RE36675 Game apparatus and memory cartridge used therefor Takahiro Harada, Masaru Yamanaka 2000-04-25