HH

Hironao Hakogi

Fujitsu Limited: 22 patents #1,239 of 24,456Top 6%
HC Hirose Electric Co.: 2 patents #163 of 407Top 45%
OC Oki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #198,750 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
6227721 Optical connector Katsuyoshi Naito, Tsutomu Nakamura, Masahiro Tsuchida, Tateomi Matsumoto 2001-05-08
6181854 Optical module packaged with molded resin Takashi Kojima, Naoki Yamamoto, Yoshio Shimano, Kazunori Miura 2001-01-30
6135644 Structures for optical semiconductor module, optical connector, and shape adapting optical connector Katsuyoshi Naito, Tsutomu Nakamura, Masahiro Tsuchida, Tateomi Matsumoto 2000-10-24
6086265 Fiber-detachable-type optical module Masaki Kuribayashi, Kazuhiko Kobayashi, Shunichi Satoh 2000-07-11
5940563 Receptacle optical module Kazuhiko Kobayashi, Shunichi Sato, Masaki Kuribayashi, Takashi Yamaguchi 1999-08-17
5841927 Optical waveguide device and optical waveguide apparatus Junko Watanabe, Akiko Tanno, Toshihiro Otani, Shinya Sawae 1998-11-24
5814871 Optical semiconductor assembly having a conductive float pad Hiroyuki Furukawa, Yoshio Shimano 1998-09-29
5802230 Optical semiconductor module Masaki Kuribayashi, Kazuhiko Kobayashi, Shunichi Sato 1998-09-01
5784509 Waveguide-optical fiber connection structure and waveguide-optical fiber connection method Takashi Yamane, Yasuhiko Omori, Shinya Sawae, Yasutoshi Furukawa 1998-07-21
5784513 Fiber-detachable-type optical module Masaki Kuribayashi, Kazuhiko Kobayashi, Shunichi Satoh 1998-07-21
5721426 Optical transmitting/receiving module having communication lines coupled by a single lens Yoshimitsu Sakai, Tatsuro Kunikane 1998-02-24
5679291 Method of fabricating optical waveguide device 1997-10-21
5612086 Method of manufacturing an optical waveguide device Takashi Yamane, Junko Watanabe 1997-03-18
5598490 Dielectric optical waveguide device Takashi Yamane 1997-01-28
5557695 Waveguide-optical fiber connection structure and waveguide-optical fiber connection method Takashi Yamane, Yasuhiko Omori, Shinya Sawae, Yasutoshi Furukawa 1996-09-17
5473711 Dielectric optical waveguide device Takashi Yamane 1995-12-05
5359449 Optical modulator for an optical transmitter Hiroshi Nishimoto, Takatoshi Minami 1994-10-25
5283842 Operating point trimming method for optical waveguide modulator and switch Hisashi Takamatsu 1994-02-01
5263102 Polarization-independent optical switches/modulators 1993-11-16
5185842 Optical waveguide type wavelength filter 1993-02-09
5107535 Connecting method between waveguide substrate and optical fiber 1992-04-21
5076675 Polarizing separating device and optical isolator employing the same Satoshi Kusaka, Hideki Noda, Tatsuro Kunikane, Kiyoshi Terai 1991-12-31