HW

Hiroyuki Watanabe

TE Teac: 9 patents #2 of 37Top 6%
AI Aiwa: 1 patents #1 of 4Top 25%
HQ Heraeus Quarzglas: 1 patents #8 of 25Top 35%
Mitsubishi Electric: 1 patents #405 of 1,581Top 30%
SE Seta: 1 patents #1 of 1Top 100%
SC Shin-Etsu Quartz Products Co.: 1 patents #2 of 16Top 15%
📍 Yokohama, JP: #3 of 177 inventorsTop 2%
Overall (1997): #263 of 185,788Top 1%
13
Patents 1997

Issued Patents 1997

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
D387761 Combined digital audio disc player, radio tuner, amplifier and tape recorder Masafumi Ito, Minoru Sube 1997-12-16
D387760 Combined digital audio disc player, radio tuner, amplifier and tape recorder Masafumi Ito, Minoru Sube, Haruki Takita 1997-12-16
5695851 Coating composition and molded articles having a surface coated therewith Hitoshi Ige, Akira Yanagase 1997-12-09
5694064 Peak detection circuit and magnetic storage medium playback apparatus Satoshi Takarada 1997-12-02
D385275 Digital audio disc player Masafumi Ito, Minoru Sube, Haruki Takita, Yukio Iikura 1997-10-21
D384665 Digital audio discplayer Masafumi Ito, Minoru Sube, Yukio Iikura 1997-10-07
D384349 Tape recorder Masafumi Ito, Minoru Sube 1997-09-30
D383461 Combined amplifier and radio tuner Masafumi Ito, Minoru Sube, Yukio Iikura 1997-09-09
D381658 Combined digital audio disc player, radio tuner, amplifier and tape recorder Masafumi Ito, Minoru Sube, Yukio Iikura 1997-07-29
D380755 Tape recorder Masafumi Ito, Minoru Sube, Yukio Iikura 1997-07-08
5637284 Process for continuous refining of quartz powder Tatsuhiro Sato, Werner Ponto 1997-06-10
5604495 Data compression method and system 1997-02-18
D377176 Speaker box Masafumi Ito, Minoru Sube 1997-01-07