MW

Mamoru Watanabe

SI Seiko Instruments: 29 patents #36 of 1,437Top 3%
Fujitsu Limited: 7 patents #4,529 of 24,456Top 20%
AK Asahi Kasei Kabushiki Kaisha: 4 patents #111 of 1,220Top 10%
IK Ishihara Sangyo Kaisha: 4 patents #97 of 403Top 25%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
HD Hoshizaki Denki: 2 patents #79 of 203Top 40%
AC Asahi Kasei Chemicals: 2 patents #152 of 543Top 30%
JT Japan Tobacco: 2 patents #330 of 1,187Top 30%
SO Sony: 1 patents #17,262 of 25,231Top 70%
AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
LI Lexmark International: 1 patents #1,041 of 1,615Top 65%
NS National Institute For Materials Science: 1 patents #361 of 901Top 45%
NT Ntn: 1 patents #814 of 1,364Top 60%
RI Riken: 1 patents #679 of 1,824Top 40%
TC Tokuden Co.: 1 patents #13 of 20Top 65%
VJ Victor Company Of Japan: 1 patents #818 of 1,489Top 55%
📍 Chiyoda, JP: #17 of 1,712 inventorsTop 1%
Overall (All Time): #22,143 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 51–75 of 81 patents

Patent #TitleCo-InventorsDate
6687191 Calendar timepiece Shigeo Suzuki, Kenichi Nakajima 2004-02-03
6612734 Mechanical timepiece with stud adjustment mechanism Takeshi Tokoro 2003-09-02
6592841 Adsorbent for nitrogen oxides and its treatment method Kenjiro Fujimoto, Jun Suzuki, Toshiyuki Mori 2003-07-15
6544426 Method of quickly decomposing and removing an organic chlorine compound by a hollandite-type photocatalyst Toshiyuki Mori, Jun Suzuki, Kenjiro Fujimoto 2003-04-08
6518536 Joining equipment Koji Fujii, Jing Wang, Yasuhiro Goto, Makoto Ryudo, Kinichi Matsuyama 2003-02-11
6428201 Chronograph timepiece and lever device for timepiece Norio Shibuya, Takashi Takahashi 2002-08-06
6400651 Coil block protection structure and electronic device having coil block protection structure Shigeo Suzuki, Kenichi Nakajima 2002-06-04
6394645 Electronic watch with correcting mechanism Shigeo Suzuki, Kenichi Nakajima 2002-05-28
6299025 Frozen dessert dispenser Tsutomu Iwata, Yasuo Hara, Hironori Rikiishi 2001-10-09
6295249 Display correction device and timepiece equipped with display correction device Masaaki Takahashi 2001-09-25
6036880 Niobium-containing aqueous solution for use in producing niobium-containing oxide-catalyst Satoru Komada, Hidenori Hinago, Masatoshi Kaneta 2000-03-14
5863514 Thin fragmental titanium oxide and porous body as an aggregate thereof, and methods for their production Takayoshi Sasaki, Masayuki Tsutsumi 1999-01-26
5541714 Developer cartridge and image forming apparatus using the same Michihiro Fujii, Hideyuki Nanba, Masato Kawashima 1996-07-30
5499082 Developing device using two-component type developer having doctor blade resiliently abutted against openings in vessel and an outlet portion in vessel to discharge the developer Michihiro Fujii, Nobuo Fujita 1996-03-12
5479247 Developer cartridge and image forming apparatus using the same Michihiro Fujii 1995-12-26
5450178 Process and apparatus for replacing the carrier portion of a developing agent having toner used in an image-forming apparatus Masato Kawashima, Masanao Nagakura, Hideyuki Nanba 1995-09-12
5432592 Developer cartridge and image forming apparatus using the same Michihiro Fujii, Masato Kawashima, Hideyuki Nanba 1995-07-11
D356107 Developing cartridge for copier Hideyuki Nanba, Masato Kawashima, Michihiro Fujii 1995-03-07
5384629 Developer cartridge and image forming apparatus using the same Michihiro Fujii 1995-01-24
5215012 Ribbon cartridge for printers Tetsuo Kanno, Kenneth Daniel Seevers 1993-06-01
5139316 Tandem liquid pressure control device for an anti-lock brake Yasuhiro Miyama 1992-08-18
5061223 Homokinetic universal joint Tetsuro Kadota, Yo Mihata 1991-10-29
5044701 Elastic body apparatus especially intended for an anti-lock brake system Yasuhiro Miyama 1991-09-03
4907210 Train wheel of electronic timepiece Mamoru Sato 1990-03-06
4818735 Tetragonal system tunnel-structured compound AX(GA8MYGA(8+X)-YTI16-X0 56), and cation conductor and heat insulating material composed thereof Yoshinori Fujiki, Takayoshi Sasaki, Yoshito Onoda, Tadashi Ohachi, Takefumi Mitsuhashi 1989-04-04