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 76–100 of 117 patents

Patent #TitleCo-InventorsDate
6014352 Optical storage system and storage medium storing copy processing program Hiromi Kubota, Ichizou Ohshika, Yuji Nomura 2000-01-11
5942891 Rolling bearing unit with rotating speed sensor Hiroya Miyazaki, Junshi Sakamoto, Yoshihisa Ohnuki, Hayato Ohmi 1999-08-24
5895152 Fixing device and fixing temperature control method Atsushi Ide, Kazumi Irie, Yoritaka Tsubaki, Hideo Matsuda 1999-04-20
5821611 Semiconductor device and process and leadframe for making the same Hitoshi Kubota, Komei Sudo, Daisuke Kitawaki, Takayuki Hamasaki, Masayoshi Akiyama +6 more 1998-10-13
5796453 Liquid crystal display device, method for producing the same, and projection-type display apparatus including the liquid crystal display device Kenji Nakao, Tsuyoshi Uemura 1998-08-18
5752833 Method for repairing dental enamel 1998-05-19
5714444 Grease composition Atsushi Yokouchi, Atsuhiro Yamamoto, Michiharu Naka 1998-02-03
5677624 Rolling bearing unit with rotating speed sensor Hiroya Miyazaki, Junshi Sakamoto, Yoshihisa Ohnuki, Hayato Ohmi 1997-10-14
5656582 Rust preventive lubricating oil Emiko Shiraishi, Hiroyuki Ito, Michiharu Naka, Akira Suzuki, Shigeki Maehara 1997-08-12
5640769 Method for producing a cage of the ball bearing Akira Suzuki, Jiami Pu, Magozou Hamamoto, Kazuo Akagami, Michiharu Naka +4 more 1997-06-24
5636043 Liquid crystal display device having partitioned unit liquid crystal cells Tsuyoshi Uemura, Shinnya Kosako, Hideaki Mochizuki 1997-06-03
5575570 Cage for rolling bearing Takahiko Uchiyama, Youichiro Sugimori, Toshimi Takajo, Michiharu Naka, Emiko Shiraishi +1 more 1996-11-19
5519519 Production method for a polymer dispersed liquid crystal display Junji Nakajima, Hideaki Mochizuki, Hirofumi Wakemoto 1996-05-21
5498147 Powder molding press Takeshi Katagiri, Tukasa Tajima, Siro Shirasaki 1996-03-12
5442489 Magnifying observation apparatus Kiyokazu Yamamoto 1995-08-15
5432023 Fuel cell Shuji Yamada, Motoya Kanda, Nobukazu Suzuki, Yoshiko Kanazawa, Akinori Hongu +6 more 1995-07-11
5426522 Method of fabricating a polymer dispersed liquid crystal panel with measuring thickness, adjusting then hardening Hiroshi Takahara 1995-06-20
5416511 Observation apparatus for selectively providing color signals Seiji Ishikawa, Masanori Hirai, Hajime Murakami 1995-05-16
5401153 Press for powder metallurgy Takeshi Katagiri, Shiro Shirasaki 1995-03-28
5401105 Ball bearing and method for producing a cage of the ball bearing Akira Suzuki, Jiami Pu, Magozou Hamamoto, Kazuo Akagami, Michiharu Naka +4 more 1995-03-28
5364711 Fuel cell Shuji Yamada, Motoya Kanda, Nobukazu Suzuki, Yoshiko Kanazawa, Akinori Hongu +6 more 1994-11-15
5343072 Method and leadframe for making electronic components Hiroshi Imai, Tadashi Murakami, Tetsuya MIMURA, Yuji Kosumi, Masashi Asai +1 more 1994-08-30
5326242 Powder molding press Takeshi Katagiri, Tukasa Tajima, Siro Shirasaki 1994-07-05
5288440 Method and apparatus for controlling powder molding press Takeshi Katagiri, Tukasa Tajima, Siro Sirasaki 1994-02-22
5265888 Game apparatus and memory cartridge used therefor Takahiro Harada, Masaru Yamanaka 1993-11-30