HW

Hiroyuki Watanabe

TE Teac: 6 patents #9 of 100Top 9%
HK Hamamatsu Photonics K.K.: 2 patents #4 of 47Top 9%
PK Pilot Precision Kabushiki Kaisha: 2 patents #1 of 1Top 100%
Fujitsu Limited: 2 patents #199 of 1,880Top 15%
Mitsubishi Electric: 1 patents #480 of 1,688Top 30%
NC Nippon Zeon Co.: 1 patents #17 of 103Top 20%
Nissan Motor Co.: 1 patents #52 of 291Top 20%
AU Atsugi Unisia: 1 patents #9 of 33Top 30%
TC Tomy Company: 1 patents #2 of 10Top 20%
HI Hitachi: 1 patents #856 of 3,149Top 30%
HC Hitachi Techno Engineering Co.: 1 patents #2 of 16Top 15%
KT Kabushiki Kaisha Toshiba: 1 patents #404 of 1,641Top 25%
📍 Yokohama, JP: #1 of 176 inventorsTop 1%
Overall (1994): #42 of 165,921Top 1%
19
Patents 1994

Issued Patents 1994

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
D353440 Water purifier Masafumi Ito, Minoru Sube, Haruki Takita 1994-12-13
5371435 Photoelectron emitting device having a photocathode made of photoelectric material Keiichi Ohishi, Hideaki Suzuki, Junichi Takeuchi 1994-12-06
D352524 Case for lead 1994-11-15
5363008 Circular accelerator and method and apparatus for extracting charged-particle beam in circular accelerator Kazuo Hiramoto, Junichi Hirota, Masatsugu Nishi, Kenji Miyata 1994-11-08
D351932 Air cleaner Masafumi Ito, Minoru Sube, Haruki Takita 1994-11-01
5354141 Mechanical pencil with shaking type lead-feeding mechanism 1994-10-11
5348845 Color image-stabilization processing solution used for processing a silver halide color photographic material and a processing method using the same Masakazu Morigaki, Hiroshi Kawamoto, Yoshihiro Fujita, Shigeru Nakamura, Morio Yagihara 1994-09-20
5336966 4-layer structure reflection type photocathode and photomultiplier using the same Kiyoshi Nakatsugawa, Kazuyoshi Oguri, Hiroyuki Onda 1994-08-09
5334493 Photographic processing solution having a stabilizing ability and a method for processing a silver halide color photographic light-sensitive material Yoshihiro Fujita, Masakazu Morigaki, Hiroshi Kawamoto, Shigeru Nakamura, Morio Yagihara 1994-08-02
D349288 Combined digital audio disc player and radio receiver Masafumi Ito, Minoru Sube, Haruki Takita 1994-08-02
5332439 Screen printing apparatus for filling through-holes in circuit board with paste Tetsuji Machita 1994-07-26
5322889 Composite composition having high transparency and process for producing same Naoki Yamamoto, Akira Nakata, Hiroki Hatakeyama 1994-06-21
5306197 Key action, moveable toy 1994-04-26
5303343 Multi-medium store-and-forward exchange apparatus and method of controlling the apparatus Kouichi Ohya 1994-04-12
D345561 Combined tape recorder and amplifier Masafumi Ito, Minoru Sube, Haruki Takita 1994-03-29
5295740 Pressure control device for hydraulic braking system Yuji Oishi, Ishiro Kaneda, Masahiko Hara, Katsunori Shirai, Koji Morita 1994-03-22
5294233 Additive for organic medium or thermoplastic polymer Shizuo Kitahara, Takuji Kishimoto, Tetuya Toyoshima, Takafumi Kawanaka, Kohkichi Noguchi 1994-03-15
D344940 Video tape recorder Masafumi Ito, Minoru Sube, Haruki Takita 1994-03-08
D343393 Combined digital audio disc player, radio receiver, amplifier and tape recorder Masafumi Ito, Minoru Sube, Haruki Takita, Yukio Iikura 1994-01-18