Growing community of inventors

Tokyo, Japan

Hiroyuki Matsubara

Average Co-Inventor Count = 1.45

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 17

Hiroyuki MatsubaraTakashi Shigematsu (1 patent)Hiroyuki MatsubaraShinobu Izumi (1 patent)Hiroyuki MatsubaraMinoru Yokoyama (1 patent)Hiroyuki MatsubaraKazuo Konno (1 patent)Hiroyuki MatsubaraHiroyuki Matsubara (4 patents)Takashi ShigematsuTakashi Shigematsu (28 patents)Shinobu IzumiShinobu Izumi (6 patents)Minoru YokoyamaMinoru Yokoyama (4 patents)Kazuo KonnoKazuo Konno (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nec Corporation (2 from 35,734 patents)

2. Sony Corporation (1 from 58,131 patents)

3. Toho Ganryo Kogyo Co., Ltd. (1 from 4 patents)


4 patents:

1. 6982674 - Antenna apparatus

2. 6320818 - Semiconductor storage device, and method for generating timing of signal for activating internal circuit thereof

3. 5847583 - Sense amplifier circuit in which erroneous read operation can be

4. 5248337 - Stable lead chromate pigment composition and process for producing the

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